Marine Life

A Guide to the Study of Fishes

Deep Thinkers

Whales, Dolphins & Porpoises

Endangered Species

The Confessions of a Beachcomber

Floating Gold: The Search for Ambergris, The Most Elusive Natural Substance in the World

Dive Atlas of the World

Sex in the Sea

Whale Primer, with Special Attention to the California Gray Whale

The Dolphin in History

The Study of Plant Life

Take a Can of Salmon

Toadstools, mushrooms, fungi, edible and poisonous; one thousand American fungi

A Journey in Brazil

The Lobster Fishery of Maine

Secrets of Earth and Sea

The Seashore Book: Bob and Betty's Summer with Captain Hawes

The Flying Machine Boys in the Wilds The Mystery of the Andes

The Natural History of Chocolate

The Life and Love of the Insect