More like Time Riders

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KairosSeries
series11 books1962
completed
Start with A Wrinkle in Time →
ThunderSeries
series3 books1995
About survival.
“When a freak natural phenomenon dissolves the boundaries between yesterday and today, the world is transformed into a patchwork mixture of the present and the distant past.”
from the catalogue
Start with Footprints of Thunder →
Galactic MilieuSeries
series10 books1981
completed
About psychic powers and aliens.
“From the front flap of the Knopf first printing: The year is 2051.”
from the catalogue
Start with The Many-Colored Land →
TimelineNovel
Michael Crichtonstandalone novel1999
About survival and expeditions, set in europe and medieval.
The Masks of TimeNovel
Robert Silverbergstandalone novel1968
Mysterious in tone, about faith and religion and political intrigue.
“The civilized world is prosperous but tense with fear about the still existing possibility of a major war.”
from the catalogue
MillenniumNovel
John Varleystandalone novel1983
About survival.