The Sensitive Man

Industrial Revolution

Tau Zero

Poul Anderson: Snowball

Harvest of Stars

Philip Jose Farmer: The Green Odyssey

Black Amazon of Mars

Brain Wave

The Sentimentalists (Unabridged): optional

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

The Temple of Earth

William Tenn: THE MEN IN THE WALLS: Humans living like vermin

Inside Earth (Unabridged)

William Tenn: Venus Is A Man's World: Actually, there wouldn't be too much difference if women took over the Earth altogether. But not for some men and most boys!

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

Sentiment, Inc.