Ecology

A Thousand-Mile Walk to the Gulf (With Original Drawings & Photographs)

The Young Collector's Handbook of Ants, Bees, Dragon-flies, Earwigs, Crickets, and Flies

Diversions of a Naturalist

Everglades Wildguide

The Murray River

Flowers of Mountain and Plain

The English Lakes

When the Wilderness Calls – Bertrand W. Sinclair Collection

Healing With Nature

Live Off the Grid

Riders on the Storm

Eco-Therapy

Animal Life in Field and Garden

The Life of the Grasshopper

Poems of Nature

The Naturalist on the River Amazons

The Story of My Heart: An Autobiography

On the Origin and Metamorphoses of Insects

Field and Hedgerow

Adventures in Contentment