Moonwar

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

Moonrise

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

Leviathans of Jupiter

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

Apes and Angels

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

Farside

Death's End

Cibola Burn: Book 4 of the Expanse (now a Prime Original series)

Mars

Test of Fire

Sam Gunn Jr.

Babylon's Ashes: Book 6 of the Expanse (now a Prime Original series)

Answer, Please Answer !: A dire warning from space that humans do not want to hear

The Kinsman Saga