The Young Pathfinders' Book of Birds. Written and Illustrated by Hilda Simon. Edited by David Halfen. [With a Map].
![The Young Pathfinders' Book of Birds. Written and Illustrated by Hilda Simon. Edited by David Halfen. [With a Map].](/assets/img/default-book.png)
Offiziere gegen Hitler. The secret war against Hitler; translated by Hilda Simon, with a foreword by Terence Prittie
The Magic of Color
The Young Pathfinder's Book of Oceans, Streams, and Glaciers /by William D. Clarke ; Edited by David Halfen ; Illustrated by Hilda Simon
Color in Reproduction
Wonders of the Butterfly World
Strange Breeding Habits of Aquarium Fish
The Date Palm
Feathers Plain and Fancy
The Date Palm, Bread of the Desert
Sight and Sound
The Young Pathfinder's Book of Snakes
The Young Pathfinder's Book of Birds
Birds
The Young Pathfinder's Book of Snakes ... Illustrated by the Author. [With a Map.].
Milkweed Butterflies
Snakes
Insect Masquerade
Partners, Guests, and Parasites, Coexistence in Nature
Snakes - The Facts And The Folklore