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Math Dragon

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A magical junkyard, a dragon who loves numbers, and a treasure hunt powered by math, logic, and quick thinking. A fast-paced adventure for readers ages 7–10.

When Eli and Grace return to the junkyard’s magic door, they meet the Math Dragon, a wise teacher who guards a treasure deep inside the mountain. To reach it, the kids must face fiery challenges, solve clever number puzzles, and master math riddles before the portal closes forever. But in the world of dragons, even the smallest mistake can have explosive consequences.

Packed with action, cliffhanger chapters, and real math practice, Math Dragon is an exciting adventure for kids who love numbers, problem-solving, and treasure hunts.

Why parents and teachers love Math Dragon:

Chapter book for ages 7–10 (works up to 12)

Reluctant reader short, math-driven chapters build confidence

Educational and numbers, puzzles, and problem-solving woven into the story

Classroom excellent chapter book read-aloud for math lessons



Can Eli and Grace solve the Math Dragon’s final challenge before time runs out? Math Dragon is Book 10 of the 10-book Junkyard Adventure series.

The adventure starts here—order today and start learning! Available in Kindle or print.
(Perfect for fans of Magic Tree House, Wings of Fire, and The Boxcar Children!)

128 pages, Paperback

Published June 30, 2022

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About the author

Tevin Hansen

66 books165 followers
Tevin Hansen is the multi-award-winning author of more than 20 middle grade books, including Hole in the Wall, Hairytale Adventures, and the Junkyard Adventures series. He enjoys writing fast-paced, humorous books for kids, and also the occasional YA novel. Tevin lives in Lincoln, Nebraska, with his wife, kids, and a collection of cheap guitars.

Find out more at www.TevinHansen.com

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Displaying 1 - 2 of 2 reviews
Profile Image for Hollie.
64 reviews3 followers
January 24, 2023
My daughter loved it! I loved how it was so interactive and held her attention! She struggles with dyslexia and has a learning disability and she was able to read it and solve the problems! We read it regularly now. Thank you for the ARC!!
Profile Image for Barbara Ann.
Author 22 books188 followers
June 23, 2023
Book 10 in the Junkyard Adventures pits two angry dragons against each other.

When Eli and Grace arrive at Larry's secondhand store, they cannot find Uncle Larry. Instead they discover Professor Harvard who is temporarily watching the store. Despite Larry's absence, a new fantasy adventure involving a war between two diverse dragons, the Word Dragon and the Math Dragon erupts and the children find themselves in the middle of it. Must the siblings choose a side? Can they restore order and find a way back to the present to escape the turmoil?

Non-stop adventure and colorful characters continue to enthrall chapter book readers from ages eight up. A fascinating independent read or classroom read aloud.
Displaying 1 - 2 of 2 reviews