All concepts 
World · Cosmology

Parallel Dimensions

Cosmology utilizing multiversal travel to navigate infinite timelines, contrasting alternate personal choices and massive cosmic scope.

The dizzying scope of infinite possibility, where every choice spawns a new universe. The thrill of glimpsing lives unlived and worlds untraveled, and the existential weight of infinite selves.

Books

Dark MatterBlake Crouch
The Long EarthStephen Baxter
The Cat Who Walks Through WallsRobert A. Heinlein
InterWorldMichael Reaves
The Kaiju Preservation SocietyJohn Scalzi
The Dreaming VoidPeter F. Hamilton
The Gone WorldThomas Sweterlitsch
The Space Between WorldsMicaiah Johnson
A Thousand Pieces Of YouClaudia Gray
EternityGreg Bear
The FoldPeter Clines
Star GateAndre Norton
The Silver DreamMichael Reaves
ColdheartTrevor Baxendale
Eye in the SkyPhilip K. Dick
The Big TimeFritz Leiber
A Million Worlds With YouClaudia Gray
RoadmarksRoger Zelazny
RuinsOrson Scott Card
FinnaNino Cipri
Eternity's WheelMallory Reaves
I, QJohn de Lancie
Virtual ModePiers Anthony
My real childrenJo Walton
Exiles at the Well of SoulsJack L. Chalker
PlanesrunnerIan McDonald
To Die in ItalbarRoger Zelazny
The Practice EffectDavid Brin
Chaos ModePiers Anthony
The Temporal VoidPeter F. Hamilton
Empire starSamuel R. Delany
DoOon ModePiers Anthony
And the Devil Will Drag You UnderJack L. Chalker
City at the End of TimeGreg Bear
Cantata-140Philip K. Dick
The End of Mr. YScarlett Thomas
The Evolutionary VoidPeter F. Hamilton
Hell's GateDavid Weber
The 22 Murders of Madison MayMax Barry
All Good Things...Michael Jan Friedman
To the Vanishing PointAlan Dean Foster
The Coming of the Quantum CatsFrederik Pohl
UltimaStephen Baxter
Zero WorldJason M. Hough
Quest CrosstimeAndre Norton
Quest for the FutureA. E. Van Vogt
SpacelandRudy Rucker
Sal and Gabi fix the universeCarlos Hernandez
Special deliveranceClifford D. Simak
Dante's equationJane Jensen
Quantum RadioA. G. Riddle
Empire GamesCharles Stross
Lost FuturesLisa Tuttle
The other ValleyScott Alexander Howard
OutlandDennis E. Taylor
The flicker menTed Kosmatka
Einstein's bridgeJohn Cramer
The Memory TheaterKarin Tidbeck
The Probability BroachL. Neil Smith
Cloak and DaggerChristie Golden

Related

MultiversalAlt-HistoryDyschronic RealityThe ConvergenceTechnological SingularityTemporal LoopParasitic RealityExtradimensionalParallel Universe