The Code Busters Club
by Penny Warner
4.13 · 8 ratings
mystery · action-adventure · children-books · fiction · book · law-enforcement · children · young-adult · ancient-civilization · poc-mc · animals · espionage · realistic · disability · middle-grade · historical · historical-fiction · political-intrigue
The Code Busters Club: Similar series
The 39 Clues
by Peter Lerangis
4.03 · 561 ratings
book · fiction · action-adventure · mystery · young-adult · fantasy · middle-grade · realistic · children · children-books · historical-fiction · audiobook · political-intrigue · suspense · orphans · teens · family · espionage · contemporary · law-enforcement
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Harriet the Spy
by Louise Fitzhugh
3.90 · 91 ratings
middle-grade · literary · classics · young-adult · book · female-author · realistic · children · fiction · children-books · mystery · feminism · political-intrigue · law-enforcement · historical-fiction · 20th-century · friendship · action-adventure · humor · espionage
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The 39 Clues: Cahills vs. Vespers
by Gordon Korman
4.15 · 165 ratings
fiction · mystery · fantasy · espionage · action-adventure · family · law-enforcement · historical-fiction · realistic · children · young-adult · book · audiobook · middle-grade · suspense · political-intrigue · friendship · teens · siblings · children-books
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Young Bond
by Charlie Higson
4.02 · 127 ratings
historical-fiction · crime · thriller · espionage · action-adventure · children-books · mystery · fiction · teens · young-adult · children · political-intrigue · historical · audiobook · middle-grade · realistic · book · male-mc · 21st-century · suspense
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The 39 Clues: Unstoppable
by Jude Watson
4.27 · 98 ratings
children · suspense · realistic · historical-fiction · law-enforcement · middle-grade · audiobook · book · family · siblings · fiction · young-adult · action-adventure · children-books · mystery · fantasy · political-intrigue · espionage · politics · sword-sorcery
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Theodosia Throckmorton
by R.L. LaFevers
4.06 · 96 ratings
children · supernatural · retellings · urban-fantasy · historical · magic · historical-fiction · animals · fiction · mystery · action-adventure · children-books · fantasy · paranormal · audiobook · middle-grade · myths · book · cats · ancient-civilization
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Moon Base Alpha
by Stuart Gibbs
4.36 · 70 ratings
book · young-adult · political-intrigue · audiobook · middle-grade · space · espionage · futuristic · fiction · action-adventure · children-books · humor · mystery · sci-fi · children · law-enforcement · realistic · suspense · family · friendship
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The Magic Misfits
by Neil Patrick Harris
4.09 · 78 ratings
fiction · action-adventure · children-books · friendship · humor · mystery · book · fantasy · magic · realistic · audiobook · middle-grade · children · young-adult · lgbtq · family · disability · orphans · poc-mc · law-enforcement
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The Agency
by Y.S. Lee
3.92 · 78 ratings
young-adult · regency · book · poc-author · romance · political-intrigue · suspense · fiction · action-adventure · mystery · female-mc · poc-mc · steampunk · crime · espionage · industrial-era · historical · law-enforcement · female-author · historical-fiction
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The Incorrigible Children of Ashton Place
by Maryrose Wood
4.10 · 112 ratings
audiobook · middle-grade · young-adult · orphans · supernatural · book · historical · victorian · historical-fiction · children · fantasy · action-adventure · fiction · humor · mystery · family · animals · industrial-era · paranormal · female-author
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The 39 Clues: Doublecross
by Sarwat Chadda
4.31 · 72 ratings
audiobook · middle-grade · law-enforcement · historical-fiction · children · suspense · action-adventure · children-books · mystery · fiction · young-adult · book · family · historical · fantasy · crime · siblings · espionage · political-intrigue · male-author
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FunJungle
by Stuart Gibbs
4.38 · 124 ratings
book · middle-grade · animals · crime · fiction · action-adventure · children-books · humor · mystery · children · law-enforcement · realistic · young-adult · audiobook · contemporary · anthropomorphism · political-intrigue · espionage · friendship · outdoors
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Cat Royal Adventures
by Julia Golding
4.18 · 86 ratings
book · historical-fiction · young-adult · middle-grade · mystery · action-adventure · fiction · female-mc · historical · realistic · alpha-mc · children-books · children · nautical · heist · teens · friendship · fantasy · law-enforcement · female-author
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Serafina
by Robert Beatty
4.19 · 86 ratings
book · animals · fiction · action-adventure · fantasy · law-enforcement · historical-fiction · horror · paranormal · young-adult · audiobook · middle-grade · children-books · mystery · children · historical · magic · gothic · supernatural · friendship
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NERDS
by Michael Buckley
4.15 · 82 ratings
espionage · audiobook · middle-grade · political-intrigue · children · sci-fi · action-adventure · children-books · humor · fiction · mystery · super-powered · young-adult · book · law-enforcement · realistic · family · contemporary · coming-of-age · time-travel
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Greenglass House
by Kate Milford
4.06 · 81 ratings
book · young-adult · paranormal · audiobook · middle-grade · fiction · action-adventure · children-books · mystery · fantasy · children · magic · supernatural · family · myths · low-fantasy · retellings · magical-realism · law-enforcement · historical-fiction
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Ruby Redfort
by Lauren Child
4.30 · 113 ratings
children-books · mystery · book · crime · middle-grade · children · political-intrigue · action-adventure · fiction · young-adult · espionage · thriller · realistic · law-enforcement · historical-fiction · friendship · humor · contemporary · audiobook · comedy
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Framed
by James Ponti
4.46 · 48 ratings
children · political-intrigue · young-adult · realistic · law-enforcement · audiobook · middle-grade · crime · family · book · espionage · fiction · action-adventure · children-books · friendship · humor · mystery · urban · teens · plot-twist
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Gilda Joyce
by Jennifer Allison
4.06 · 79 ratings
action-adventure · fantasy · fiction · children-books · humor · mystery · children · law-enforcement · horror · book · ghosts · supernatural · young-adult · paranormal · audiobook · middle-grade · psychics · realistic · low-fantasy · magical-realism
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City Spies
by James Ponti
4.40 · 91 ratings
realistic · law-enforcement · contemporary · audiobook · middle-grade · children · political-intrigue · fiction · young-adult · action-adventure · children-books · friendship · mystery · crime · book · espionage · family · suspense · poc-mc · thriller
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Young Sherlock Holmes
by Andy Lane
3.92 · 74 ratings
young-adult · book · audiobook · middle-grade · fiction · action-adventure · children-books · mystery · crime · law-enforcement · historical-fiction · historical · male-mc · retellings · 21st-century · suspense · teens · children · classics · killer
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Montmorency
by Eleanor Updale
3.85 · 59 ratings
young-adult · book · middle-grade · political-intrigue · action-adventure · children-books · fiction · mystery · espionage · crime · industrial-era · victorian · female-author · historical-fiction · law-enforcement · historical · england · children · audiobook · urban
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Samurai Detective
by Dorothy Hoobler
3.90 · 40 ratings
law-enforcement · historical-fiction · middle-grade · historical · fiction · mystery · young-adult · action-adventure · children-books · book · magic · children · fantasy · female-author · realistic · male-mc · poc-mc · early-modern · journey · paranormal
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American Girl History Mysteries
by Kathryn Reiss
3.87 · 38 ratings
fiction · children-books · mystery · law-enforcement · historical-fiction · historical · children · young-adult · book · middle-grade · poc-mc · action-adventure · industrial-era · usa · western · north-america · friendship · alternate-history · fantasy · animals
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