Diary of a 6th Grade Ninja
by Marcus Emerson
4.38 · 32 ratings
children · audiobook · political-intrigue · action-adventure · children-books · fiction · espionage · book · middle-grade · outlaws · humor
Diary of a 6th Grade Ninja: 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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Ascendance
by Jennifer A. Nielsen
4.25 · 199 ratings
friendship · medieval · fiction · action-adventure · fantasy · historical · children · royalty · young-adult · book · middle-grade · high-fantasy · family · historical-fiction · male-mc · audiobook · outlaws · humor · mystery · romance
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Brotherband Chronicles
by John Flanagan
4.39 · 265 ratings
action-adventure · fiction · medieval · fantasy · europe · historical · historical-fiction · children · young-adult · book · scandinavia · audiobook · middle-grade · children-books · outlaws · nautical · friendship · high-fantasy · humor · survival
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Alex Rider
by Anthony Horowitz
4.13 · 552 ratings
action-adventure · mystery · fiction · young-adult · book · law-enforcement · children · middle-grade · children-books · espionage · political-intrigue · audiobook · crime · contemporary · thriller · realistic · suspense · teens · male-mc · high-school
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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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Heist Society
by Ally Carter
4.12 · 148 ratings
crime · heist · espionage · fiction · action-adventure · humor · mystery · political-intrigue · contemporary · book · romance · young-adult · high-school · realistic · womens-fiction · teens · friendship · outlaws · law-enforcement · female-mc
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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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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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Masterminds
by Gordon Korman
4.33 · 66 ratings
friendship · outlaws · fiction · children-books · humor · mystery · action-adventure · family · law-enforcement · realistic · sci-fi · children · young-adult · book · audiobook · contemporary · middle-grade · dystopia · survival · cloning
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H.I.V.E.
by Mark Walden
4.25 · 185 ratings
action-adventure · fiction · super-powered · espionage · sci-fi · young-adult · book · political-intrigue · mystery · children-books · friendship · crime · children · middle-grade · humor · audiobook · urban-fantasy · boarding-school · law-enforcement · dystopia
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Genius
by Catherine Jinks
3.86 · 60 ratings
audiobook · contemporary · middle-grade · book · young-adult · sci-fi · realistic · crime · mystery · action-adventure · fiction · teens · humor · political-intrigue · suspense · cyberpunk · disability · 21st-century · anti-hero · boarding-school
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Spy School
by Stuart Gibbs
4.43 · 207 ratings
fiction · action-adventure · espionage · humor · mystery · law-enforcement · realistic · children · young-adult · audiobook · middle-grade · political-intrigue · children-books · thriller · book · friendship · contemporary · suspense · crime · historical-fiction
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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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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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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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Diamond Brothers
by Anthony Horowitz
4.00 · 88 ratings
crime · humor · action-adventure · children-books · fiction · mystery · children · law-enforcement · book · young-adult · comedy · noir · audiobook · investigator · middle-grade · espionage · 20th-century · historical · horror · political-intrigue
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The Very Nearly Honorable League of Pirates
by Caroline Carlson
4.17 · 40 ratings
fiction · action-adventure · children-books · humor · outlaws · young-adult · fantasy · book · magic · audiobook · middle-grade · children · friendship · mystery · family · historical · historical-fiction · low-fantasy · kidnapping · comedy
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The Last Musketeer
by Stuart Gibbs
4.35 · 34 ratings
friendship · supernatural · fiction · action-adventure · children-books · super-powered · young-adult · time-travel · book · historical-fiction · audiobook · middle-grade · historical · children · humor · mystery · family · betrayal · sci-fi · political-intrigue
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Lawless
by Jeffrey Salane
4.00 · 21 ratings
high-school · children · political-intrigue · middle-grade · law-enforcement · book · espionage · action-adventure · fiction · children-books · mystery · sci-fi · young-adult · humor · female-mc · survival · realistic · secrets · audiobook · crime
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Pals in Peril
by M.T. Anderson
3.74 · 38 ratings
young-adult · book · middle-grade · fiction · action-adventure · children-books · humor · law-enforcement · children · political-intrigue · mystery · espionage · comedy · audiobook · fantasy · friendship · family · horror · sci-fi · holidays
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