The Hitchhiker's Guide to the Galaxy

The Martian Andy Weir

An astronaut accidentally left behind on Mars must survive alone using nothing but science, duct tape, and dark humour.

Slaughterhouse-Five Kurt Vonnegut

Billy Pilgrim has come unstuck in time -- moving randomly between the firebombing of Dresden, a zoo on an alien planet, and an ordinary American life.

Project Hail Mary Andy Weir

A man wakes up alone on a spaceship with no memory of who he is -- and gradually realizes he's humanity's last hope.

The War of the Worlds H.G. Wells

Martian tripods incinerate the English countryside and all of Victorian England's confidence in its own dominance -- a novel that invented the alien invasion.

Old Man's War John Scalzi

On his seventy-fifth birthday, John Perry joins the army -- they give elderly recruits young bodies to fight interstellar wars he doesn't yet understand.