After you read Earth & Sky

If you liked Earth & Sky, check out these stories of aliens, space exploration, and/or time travel:

Losers In Space by John Barnes
The Vorkosigan Saga by Lois McMaster Bujold
Circus Galacticus by Deva Fagan
Singing the Dogstar Blues by Alison Goodman
The Keeper of the Isis Light by Monica Hughes
A Crack in the Line by Michael Lawrence
The Time Quintet by Madeleine L'Engle
Across the Universe by Beth Revis
Galax-Arena by Gillian Rubinstein
When You Reach Me by Rebecca Stead
Slaughterhouse-Five by Kurt Vonnegut