Ruins
A group of time-shifting teens cross into new wallfolds and race to stop Garden’s destruction while trust frays.
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Similar in plot structure
These books are ranked using the plot structure labels extracted for Courageous.
Plot structure labels used: sequel continuation, episodic battles, travel-and-battle cycle, cliffhanger ending, setup book, ongoing mystery, repetition, midseries escalation
Focused on “timeline branching” where exact label matches exist.
This does not mean the books share the same plot, setting, quality, or difficulty. It means their plot structure embeddings are close.
Arm of the Sphinx
A pirate-turned-captain and his crew hunt for a missing wife while bargaining with the Tower's most dangerous mysteries.
The Cradle of Ice
A split band of heroes races across an icebound, war-torn world to uncover the truth that can stop moonfall.
The Dinosaur Knights
A dinosaur-mounted knight and a royal fugitive face war, intrigue, and a deadly crusade in a brutal fantasy world.
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Valiant
A damaged fleet races home through enemy space while facing sabotage, rivalries, and a growing alien mystery.
Freedom™
A sequel-length techno-thriller where a distributed AI and its followers battle corporations over the future of society.
Firestorm
A displaced destroyer crew faces widening fronts, rising technology, and a new enemy in an alternate-world war.
To Sail a Darkling Sea
A survivor fleet battles zombies at sea while turning rescue operations into a military campaign to rebuild civilization.
Citadel
As new alien forces close in, Earth races to finish and mobilize its asteroid battlestation for war.
Lost in a Good Book
A literary detective enters the BookWorld to rescue her erased husband while a dangerous corporate plot threatens reality.
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The Scourge of God
In a post-Change America, Rudi Mackenzie treks east toward Nantucket, hunted by zealots and guided by visions.
Bound
An alien spider warrior and his human mate flee a murderous queen, rallying a fragile tribe for one final stand.
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