160,000+ Books, Games & Puzzles in-stock 🇳🇿 

Happy Sunday! Auckland Store open 7 days, 8:30am-5pm 📚

Math Mysteries: The Triplet Threat

By Aaron Starmer
0.0 (0 reviews)
Book Hero Magic crafted this summary to help describe this book. While it's new and still learning, it may not be perfect - your feedback is welcome! Summary
Math Mysteries: The Triplet Threat follows the Prime Detectives—Abby "the Abacus" Feldstein, Cameron "Cam" McGill, and Gabriel "Gabe" Kim—as they tackle a series of unusual events on the first day of fourth grade at Arthimos Elementary. From poisonous cookies and a zipline accident to a missing iPad and strange noises from the custodian’s wheelbarrow, these young sleuths use arithmetic, geometry, and logic to uncover who did what, when, and why. This engaging mystery blends essential middle-grade math skills with lighthearted intrigue, inviting readers to solve interconnected puzzles throughout the story.
Read More
Format: Hardback
$3999
AVAILABLE WITH SUPPLIER Ships from our Auckland warehouse within 4-6 weeks

Found a better price? Request a price match

Book Hero Magic created this recommendation. While it's new and still learning, it may not be perfect - your feedback is welcome! IS THIS YOUR NEXT READ?

Ideal for middle-grade readers who enjoy mysteries, puzzles, and math challenges. Perfect for children who love riddles and brainteasers, as well as educators seeking engaging ways to teach essential math concepts.

Book Hero thinking about your next read

"It's the first day of the fourth grade at Arthimos Elementary and things are already off to a strange start poisonous cookies, a zipline disaster, a missing iPad, and what are those strange sounds coming from the school custodian's wheelbarrow?"--

Book Hero Magic formatted this description to make it easier to read. While it's new and still learning, it may not be perfect - your feedback is welcome! Description

A page-turning mystery brimming with lighthearted intrigue and essential middle-grade math skills, Math Mysteries: The Triplet Threat by author Aaron Starmer will have readers on the edge of their seats as they unravel the who-done-it using math. Perfect for both mystery and math lovers, as well as kids who love puzzles, riddles, brainteasers, and adventure stories!

It's the first day of the fourth grade at Arthimos Elementary and things are already off to a strange start—poisonous cookies, a zipline disaster, a missing iPad, and what are those strange sounds coming from the school custodian's wheelbarrow? Luckily the Prime Detectives—Abby "the Abacus" Feldstein, Cameron "Cam" McGill, and Gabriel "Gabe" Kim—are on the case! Using arithmetic, geometry, and logic, the Prime Detectives are sure to figure out who did what, when, and why!

A gripping new middle grade mystery series, each book contains multiple, interlinked mysteries that readers help solve using math. Includes answers showing step-by-step solutions.

Book Hero Magic summarised reviews for this book. While it's new and still learning, it may not be perfect - your feedback is welcome! HOW HAS THIS BEEN REVIEWED?

The book receives praise for its clever integration of math into an exciting mystery set in a fourth-grade classroom. Booklist highlights how the narrative gradually raises stakes through increasingly challenging mathematical problems, presenting concrete scenarios like time management and mishaps to spark readers’ interest. The step-by-step explanations and character dialogues effectively demonstrate mathematical solutions, while occasional illustrations enrich the experience. Ideal for elementary classrooms, it combines the appeal of Ron Roy’s mysteries and educational fun reminiscent of Ms. Frizzle’s adventures.

Book Hero reading reviews

Book Details

INFORMATION

ISBN: 9781250889577

Publisher: Odd Dot

Format: Hardback

Date Published: 26 September 2023

Country: United States

Imprint: Odd Dot

Contributors:

  • Illustrated by Marta Kissi
  • Illustrated by Marta Kissi

Audience: Children

DIMENSIONS

Spine width: 22.0mm

Width: 220.0mm

Height: 150.0mm

Weight: 278g

Pages: 192

Collections

Aaron Starmer Children's Books Children's Fiction Children’s & Teenage Non-Fiction Children’s, Teenage and Educational Education & Reference Science & Nature Young Adult Young Adult Mystery & Thriller

About the Author

AARON STARMER is the author of more than a dozen novels for young readers. His novels have been translated into multiple foreign languages and have appeared on best of the year lists from Time magazine, the Wall Street Journal, the New York Public Library, YALSA, Bank Street College of Education, the Chicago Public Library, and School Library Journal. Unlike many authors, he really enjoys math. This is his first mystery. He lives in Vermont with his wife and two daughters.

Also by Aaron Starmer

View all
  • Math Mysteries: The Fall Festival Fiasco
    Math Mysteries: The Fall Festival Fiasco
    A page-turning mystery brimming with lighthearted intrigue and essential middle-grade math skills, Math Mysteries: The Fall Festival Fiasco by author Aaron Starmer will have readers on the edge of their seats as they unravel the who-done-it using math. Perfect for both mystery and math lovers, as well as kids who love puzzles, riddles, brainteasers, and adventure stories! Autumn has arrived...
    By Aaron Starmer
    Hardback
    $4199
    Available
    Ships in 4-6 weeks
  • Math Mysteries: The Fall Festival Fiasco
    Math Mysteries: The Fall Festival Fiasco
    A page-turning mystery brimming with lighthearted intrigue and essential middle-grade math skills, Math Mysteries: The Fall Festival Fiasco by author Aaron Starmer will have readers on the edge of their seats as they unravel the who-done-it using math. Perfect for both mystery and math lovers, as well as kids who love puzzles, riddles, brainteasers, and adventure stories! Autumn has arrived...
    By Aaron Starmer
    Paperback
    $1999
    Available
    Ships in 4-6 weeks
  • Math Mysteries: The Triplet Threat
    Math Mysteries: The Triplet Threat
    A page-turning mystery brimming with lighthearted intrigue and essential middle-grade math skills, Math Mysteries: The Triplet Threat by author Aaron Starmer will have readers on the edge of their seats as they unravel the who-done-it using math. Perfect for both mystery and math lovers, as well as kids who love puzzles, riddles, brainteasers, and adventure stories! It's the first day...
    By Aaron Starmer
    Paperback
    $1999
    Available
    Ships in 4-6 weeks
  • Spontaneous
    TRULY THE SMARTEST AND FUNNIEST BOOK ABOUT SPONTANEOUS COMBUSTION YOU WILL EVER READ-- John Green, #1 bestselling author of The Fault in Our Stars With all the perfectly lovely young adult novels out there, you decided to check this one out? It's got spontaneously combusting teenagers in it, dude. Not the slow burning type either. We're talking the randomly exploding...
    By Aaron Starmer
    Paperback
    Sold Out

More from Children's Books

View all
  • New Release
    Gruffalo Granny
    The brand new Gruffalo picture book from Julia Donaldson and Axel Scheffler. The Gruffalo said to his daughter one day, "Your Gruffalo Granny is coming to stay." Return to the deep dark wood with the first new Gruffalo story in over 20 years, and meet Gruffalo Granny as she visits the Gruffalo family. This fresh and exciting new Gruffalo adventure...
    By Julia Donaldson
    Hardback
    $2499
    Elsewhere:
    $3000
    (3)
    In Stock
    Ships tomorrow
  • New Release
    Fight or Flight: Diary of a Wimpy Kid (21)
    When the going gets tough, what’s a wimpy kid to do? In Fight or Flight, Greg Heffley faces his biggest challenge yet as he becomes a target for the school bully. Luckily for Greg, his best friend, Rowley Jefferson, takes karate, so at least Greg’s got someone in his corner. But an unexpected twist makes Greg realize he’s facing an uphill...
    By Jeff Kinney
    Paperback
    $1699
    Elsewhere:
    $2100
    In Stock
    Ships tomorrow
  • New Release
    The Sixth Faction
    Beatrice Prior stands on the brink of a decision every person in her world must make: five factions, five futures, five lives. She has a plan: she's going to make the bravest choice, and leave Abnegation behind to join Dauntless, even though it means leaving her family behind. But when tragedy strikes at her Choosing Ceremony, everything changes—her world, her...
    By Veronica Roth
    Paperback
    $2999
    Elsewhere:
    $3499
    In Stock
    Ships tomorrow
  • New Release
    All of Us
    A new heart-wrenching, well-researched historical novel for middle-grade readers. 'The weirdest thing,' continues Tove, 'is that I don't feel any different to the rest of you.' 'That's because you're not!' snaps Birgitte. 'You're Danish.' 'So why do the Nazis hate me and not you?' When twelve-year-old Viggo and his friends Finn, Tove, Birgitte and Konrad start writing rude letters to...
    By Katrina Nannestad
    Hardback
    $2599
    Elsewhere:
    $2999
    In Stock
    Ships tomorrow
  • Detective Beans Colouring Club
    New Release
    Detective Beans Colouring Club
    Help Detective Beans solve the case of the missing colours! Join the Colouring Club now! Join the Detective Beans Colouring Club! Inside you'll find 40 removable colouring pages featuring scenes from all over Cat Town. Filled with all the characters you know and love from the Detective Beans graphic novels like Biscuits, Beans' mum, Mr Brickle, Bear, Detective Baby Bird...
    By Li Chen
    Paperback
    $1799
    Elsewhere:
    $2100
    In Stock
    Ships tomorrow
  • Wahine
    New Release
    Wahine
    From a majestic mermaid to a clay woman, the creator of glaciers to the mother of gardening, discover powerful wahine and how their stories shaped the world around us. Wahine introduces readers to twelve purakau of brave, bold, and inspiring women of Aotearoa. A beautifully illustrated collection that will delight the whole whanau, from award-winning illustrator Isobel Joy Te Aho-White....
    By Isobel Joy Te Aho-White
    Hardback
    $3199
    Elsewhere:
    $3999
    In Stock
    Ships tomorrow
  • New Release
    Lottie Brooks’s Twelve Disasters of Christmas
    From hilarious MEGA bestselling author, Katie Kirby, comes a new story collection from the world of Lottie Brooks! But this time... it's not about Lottie! From hilarious MEGA bestselling author, Katie Kirby, comes a new story collection from the world of Lottie Brooks! And it's CHRISTMAS! In The Completely Chaotic Christmas of Lottie Brooks we spent the holiday season with...
    By Katie Kirby
    Paperback
    $1799
    Elsewhere:
    $2100
    In Stock
    Ships tomorrow
  • Matihe! Achoo! Matihe! Achoo!
    On Sale
    21% off
    New Release
    Matihe! Achoo!
    What happens when a grumpy tupua has to sneeze? Matihe! Achoo! is a bilingual story about the tupua Mataoho and his connection to the volcanoes of Tāmaki Makaurau, Auckland. It comes with an action song to engage young readers! He pūrākau e pā ana ki a Mataoho me ngā puia o Takamaki Makaurau. He tupua pukukino a Mataoho e noho...
    By Qiane Matata-Sipu
    Paperback
    $1500
    Elsewhere:
    $2100
    In Stock
    Ships tomorrow
  • The Sweet As Looky Book
    New Release
    The Sweet As Looky Book
    Can you find all the chocolate fish? Is it possible for kiwi to fly? Can you spot the difference? See Aotearoa New Zealand through the eyes of award-winning artist Donovan Bixley in The Sweet As Looky Book. Use your finest skills to seek out pirates in the Bay of Islands and birds in Rakiura Stewart Island. Get in a car...
    By Donovan Bixley
    Hardback
    $2299
    Elsewhere:
    $2799
    In Stock
    Ships tomorrow
  • Pocket Observology
    New Release
    Pocket Observology
    Pocket Observology is a practical field guide designed for those who love to explore and understand the natural world around them. Slip this guide out of your pocket to identify, measure, compare, or find clues to the things you encounter every day in nature. This pocket guide is a useful tool and a fun reminder of how to engage with...
    By Giselle Clarkson
    Paperback
    $2399
    Elsewhere:
    $2799
    In Stock
    Ships tomorrow
  • New Release
    The Day of the Dinosaur Disaster
    Angry anacondas, blizzarding blobs, carnivorous cactuses ... what kind of twisted curse will Glam-Evil think up this time?!Only it's not just Glam-Evil's curse the gang needs to worry about; they've got a few other problems, too. Swooping Pteranodons, a hungry T-Rex, a missing mother, and ... is that ... an ASTEROID?!Join MILES AND JONES as they face their biggest challenge...
    By Sam Smith
    Paperback
    $1400
    Elsewhere:
    $1499
    In Stock
    Ships tomorrow
  • On Sale
    15% off
    New Release
    The Neverfear
    A world of richly-imagined wonder Cressida Cowell It’s the Midsummer Feast on the Islet of Glimt and on this magical moonlit evening, the word on everyone’s lips is bandits. Reports of masked men burning villages are spreading throughout the Archipelago, but worse is still to come: Christopher and Anya are ambushed and one of the people they love most is...
    By Katherine Rundell
    Paperback
    $1700
    Elsewhere:
    $2299
    In Stock
    Ships tomorrow

Why buy from us?

Book Hero is not a chain store or big box retailer. We're an independent 100% NZ-owned business on a mission to help more Kiwis rediscover a love of books and reading!

Service & Delivery

Service & Delivery

Our warehouse in Auckland holds over 160,000 books, toys, board games and puzzles in-stock so you're not waiting for your order to arrive from overseas.

Auckland Bookstore

Auckland Bookstore

We're primarily an online store, but for your convenience you can pick up your order for free from our bookstore, which is right next door to our warehouse in Hobsonville.

Our Gifting Service

Our Gifting Service

Books make wonderful thoughtful gifts and we're here to help with gift-wrapping and cards. We can even send your gift directly to your loved one.

Children's Books lists from the team

Explore our curated lists from our heroes to find your next read!

The Latest at Book Hero

View all