Science-fiction Books Without Explicit Sexual Content

The Giver

Unwind (Unwind #1)

I Have No Mouth and I Must Scream

Foundation and Earth

Excession

The Lathe of Heaven

After London

Drowned worlds

Midnight Robber

Octavia's Brood

Childhood’s End

Out of the Silent Planet

Proxy

Some Desperate Glory

Invisible Planets

Galactic Derelict

The Weird

WWW

Moving Mars

Perdido Street Station

The Beasts of Tarzan (Classic Ace SF, F-203)

Wherever Seeds May Fall

So long, and thanks for all the fish

Children of Dune