2026 Reading Challenge

The Code Busters Club Series

10 primary works • 10 total works
Meet super sleuths Cody, Quinn, Luke, Mika, and M.E., members of The Code Busters Club. Together they decipher mind-boggling problems and crack the toughest of codes! Each book complements STEM instruction as readers use mathematical and critical-thinking skills to help solve mysteries.

Book 1

The Secret of the Skeleton Key
by
3.95 · 265 Ratings · 67 Reviews · published 2011 · 9 editions
Cody, Quinn, Luke, and M.E. may not have much in c…

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    Book 2

    The Haunted Lighthouse
    by
    4.19     · 113 Ratings · 22 Reviews · published 2012 · 7 editions
    An infamous prison may hold a secret only the Code…

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    Book 3

    The Mystery of the Pirate's Treasure
    by
    4.24     · 93 Ratings · 14 Reviews · published 2013 · 8 editions
    Readers will have tons of fun creating the codes r…

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    Book 4

    The Mummy's Curse
    by
    4.27     · 71 Ratings · 12 Reviews · published 2014 · 9 editions
    Egyptian secrets take center stage in this interac…

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    Book 5

    The Hunt for the Missing Spy
    by
    4.23     · 39 Ratings · 6 Reviews · published 2015 · 5 editions
    Cody, Queen, Luke, and M.E. are the Code Busters―c…

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    Book 6

    The Secret of the Puzzle Box
    by
    4.19     · 36 Ratings · 7 Reviews · 5 editions
    The Code Busters are excited for their class field…

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    Book 7

    A Disappearance in Magicland
    by
    4.29     · 7 Ratings · 3 Reviews · 3 editions
    Cody, Quinn, Luke, M.E., and Mika are the Code Bus…

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    Book 8

    The Science Fair Scheme
    by
    4.67     · 3 Ratings · 3 editions
    Will the Code Busters be able to unravel their lat…

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    Book 9

    The Haunting of Mystery Mansion
    by
    4.50     · 2 Ratings · 3 editions
    Cody, Quinn, Luke, M.E., and Mika are the Code Bus…

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    Book 10

    Clash of the Secret Code Clubs
    by
    4.50     · 2 Ratings · 3 editions
    Cody, Quinn, Luke, M.E., and Mika are the Code Bus…

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