Mission Of Gravity: Mesklinite Book 1

Iceworld

Half Life

Noise

Cycle of Fire

Needle: Needle Book 1

Through the Eye of a Needle: Needle Book 2

Ocean on Top

Small Changes

The Best of Hal Clement

Close to Critical: Mesklinite Book 2

Star Light: Mesklinite Book 3

Noise

Hal Clement SF Gateway Omnibus: Iceworld, Cycle of Fire, Close to Critical

The Nitrogen Fix

The Green World

Half Life

Hot Planet

The 11th Science Fiction MEGAPACK®: 36 Modern and Classic Science Fiction Stories