Early in the 20th century, geographers devoted a lot of time...

An account of the close friendship the author developed with...

"Dissertations on scientific subjects based on observations ...

Experiences at Kotzebue sound and Nome.

"A season of transition in North America's last great wilder...

With a biome-by-biome structure that mirrors Mother Nature's...

The book provides a precise record of what happens in the na...

Pour l'auteur, la vulgarisation scientifique demande une dém...

In these days of expanding environmental exploitation it bec...

A collection of essays following the author's transition fro...

"In this appealing search-and-find informational picture boo...

Explains the techniques used in finding wild animals such as...

Colorful pictures of shapes that look like letters of the al...

Describes the different plants, animals, and landscapes that...

Arts, crafts, and nature activities explore various elements...

Describes a fieldtrip that eighteen students and seven adult...

"The wonders of plant and animal life told with rare literar...

Examines the wildlife of Puerto Rico, including spiders, ins...