More like The Substitute Sleuth

anchored on:science fictionparallel universemystery & detective

but

Narrow

KairosSeries
series11 books1962
completed
Start with A Wrinkle in Time →
Alex BenedictSeries
series13 books1987
Set in far future and space.
“Alex Benedict is an antiques dealer and part-time interstellar investigator, generations removed from Earth's first starfaring age, who keeps stumbling into forgotten history through the objects and ruins he trades in.”
from the catalogue
Start with A Talent for War →
QuadrailSeries
series5 books2005
Space opera, about aliens, set in far future and space.
“Paired with the telepathically gifted Bayta, Compton investigates and fights the Modhri, a parasitic group-mind quietly seizing control of galactic leaders from within.”
from the catalogue
Start with Night Train to Rigel →
FoundationUniverse
universe123 books1940
About robots, set in far future.
“There is a science that reads the future of quadrillions the way an astronomer reads the orbits of stars.”
from the catalogue
Start with Foundation →
includes The Positronic Robot Stories, Trantorian Empire, Foundation, Second Foundation Trilogy, The Collected Fiction of Isaac Asimov, Foundation (Original Stories)
Firebird (Claudia Gray)Series
series4 books2014
About forbidden love, set in contemporary.
“Marguerite's physicist parents' most astonishing invention, called the Firebird, allows users to jump into multiple universes.”
from the catalogue
Start with A Thousand Pieces of You →
Dream Park UniverseSeries
series6 books1981
Set in near future.
Start with Dream Park →