Once Upon a Space-Time
by Jeffrey Brown
3.50 · 4 ratings
children · middle-grade · robots · space · young-adult · comics · sci-fi · aliens · action-adventure · children-books · fiction · friendship · humor
Once Upon a Space-Time: Similar series
Marvel Must-Have
by Brian Michael Bendis
4.19 · 142 ratings
young-adult · action-adventure · fiction · comics · super-powered · contemporary · religion · box-set · coming-of-age · middle-grade · space · crime · family · drama · friendship · poc-mc · spirituality · aliens · humor · fantasy
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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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Zita the Spacegirl
by Ben Hatke
4.24 · 96 ratings
action-adventure · children-books · comics · fiction · children · animals · female-mc · friendship · humor · aliens · super-powered · space-travel · sci-fi · other-world · young-adult · middle-grade · space · robots · feminism · monsters
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5 Worlds
by Mark Siegel
4.30 · 96 ratings
high-fantasy · fiction · action-adventure · children-books · young-adult · comics · fantasy · children · middle-grade · magic · friendship · violent-conflict · space · war · family · robots · mystery · reincarnation · poverty · quest
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Cleopatra in Space
by Mike Maihack
4.29 · 96 ratings
young-adult · time-travel · space · middle-grade · action-adventure · children-books · fiction · friendship · children · sci-fi · comics · cats · humor · animals · futuristic · ancient-civilization · africa · northern-africa · outlaws · egypt
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Larklight
by Philip Reeve
3.93 · 46 ratings
family · steampunk · industrial-era · mystery · action-adventure · humor · aliens · alternate-history · fiction · comedy · children · space-opera · sci-fi · historical · victorian · historical-fiction · book · time-travel · young-adult · space
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Jedi Academy
by Jeffrey Brown
4.24 · 136 ratings
humor · fiction · comics · young-adult · children · sci-fi · space-opera · middle-grade · action-adventure · children-books · friendship · angels · space · comedy · boarding-school · bullying · family · robots · siblings · animals
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Hilo
by Judd Winick
4.42 · 91 ratings
action-adventure · children-books · humor · super-powered · fiction · friendship · children · comics · middle-grade · aliens · robots · young-adult · sci-fi · space · magic · family · technology · monsters · supernatural · time-travel
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Space Battle Lunchtime
by Natalie Riess
4.05 · 38 ratings
lgbtq · wlw · aliens · fiction · humor · action-adventure · mystery · young-adult · comics · sci-fi · middle-grade · friendship · children · lesbian-mc · space · alpha-mc · romance · female-mc · culinary · comedy
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Ricky Ricotta
by Dav Pilkey
4.15 · 106 ratings
comics · children · robots · friendship · action-adventure · children-books · fiction · humor · animals · space · sci-fi · middle-grade · family · aliens · fantasy · male-author · monsters · bullying · super-powered · young-adult
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Sanity & Tallulah
by Molly Brooks
4.04 · 35 ratings
fiction · action-adventure · children-books · friendship · humor · poc-mc · sci-fi · space · middle-grade · children · comics · mystery · young-adult · feminism · female-mc · animals · family · latinx-mc · suspense · futuristic
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The Zero Chronicles
by Dan Wells
3.81 · 35 ratings
book · young-adult · space · audiobook · middle-grade · fiction · action-adventure · children-books · children · space-opera · sci-fi · dragons · aliens · humor · colonization · coming-of-age · suspense · dystopia · animals · heist
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CatStronauts
by Drew Brockington
4.04 · 50 ratings
children · comics · sci-fi · middle-grade · animals · cats · fiction · action-adventure · children-books · humor · space · young-adult · friendship · anthropomorphism · space-travel · robots · explorer
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A Not-So-Impossible Tale
by Philip Reeve
4.03 · 38 ratings
children-books · humor · fiction · children · action-adventure · middle-grade · comics · animals · family · friendship · paranormal · fantasy · sci-fi · aliens · xenofiction · dogs · dragons · myths · space · book
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Axe Cop
by Malachai Nicolle
3.93 · 42 ratings
dark-horse · comedy · comics · action-adventure · fiction · humor · super-powered · zombies · paranormal · fantasy · children-books · robots · monsters · crime · young-adult · aliens · animals · space · death · children
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Secret Coders
by Gene Luen Yang
4.09 · 58 ratings
comics · fiction · children · sci-fi · children-books · middle-grade · mystery · law-enforcement · robots · technology · young-adult · action-adventure · friendship · humor · poc-mc · family · contemporary · adult · realistic · non-fiction
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Randoms
by David Liss
4.35 · 20 ratings
young-adult · children-books · fiction · humor · action-adventure · friendship · aliens · book · space · middle-grade · space-opera · sci-fi · alternate-universe · children · super-powered · second-chances
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Astronaut Academy
by Dave Roman
4.00 · 19 ratings
action-adventure · humor · fiction · children · comics · sci-fi · space · middle-grade · young-adult · aliens · children-books · poc-mc · boarding-school · friendship · high-school · teens · wholesome
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Galactic Hot Dogs
by Max Brallier
4.19 · 16 ratings
children-books · fiction · comics · humor · children · space · sci-fi · action-adventure · space-travel · middle-grade · aliens
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Klawde, Evil Alien Warlord Cat
by Johnny Marciano
4.12 · 25 ratings
children · sci-fi · animals · middle-grade · aliens · fiction · children-books · humor · comics · anthropomorphism · friendship · space · audiobook · technology · cats · action-adventure · bullying · book · young-adult
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Mech Cadet Yu
by Greg Pak
3.91 · 22 ratings
aliens · fiction · robots · sci-fi · comics · young-adult · children-books · war · space · violent-conflict · middle-grade · adult · children · box-set · action-adventure · super-powered · suspense · poc-mc · female-mc · friendship
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G-Man
by Chris Giarrusso
4.11 · 9 ratings
fiction · action-adventure · children-books · humor · super-powered · middle-grade · comics · children · friendship · young-adult · siblings · sci-fi · retellings · robots · bullying · mystery · fantasy · myths · magic · comedy
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Aoleon The Martian Girl
by Brent LeVasseur
4.25 · 12 ratings
dystopia · middle-grade · aliens · fiction · action-adventure · children-books · humor · book · friendship · family · children · sci-fi · young-adult · space · suspense · mystery · drama · violent-conflict · comics · invasion
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Outernet
by Steve Barlow
3.55 · 11 ratings
fiction · young-adult · children-books · middle-grade · space · sci-fi · children · action-adventure · humor · aliens · book · anthropomorphism · comics · time-travel · 21st-century
All books in this series ❯