Leviathan Wakes: Book 1 of the Expanse (now a Prime Original series)

Hyperion

Caliban's War: Book 2 of the Expanse (now a Prime Original series)

Delta-v

The Three-Body Problem: Now a major Netflix series

Critical Mass: A Novel

Abaddon's Gate: Book 3 of the Expanse (now a Prime Original series)

Tiamat's Wrath: Book 8 of the Expanse (now a Prime Original series)

Death's End

The Dark Forest

Nemesis Games: Book 5 of the Expanse (now a Prime Original series)