Terrestrial mollusks, the second largest phylum in the animal kingdom, are vitally important to the earth's ecology. With the publication of Land Snails and Slu

The islands of the Samoan archipelago lie about 14 degrees south of the equator in the central Pacific Ocean. Politically, they are divided into two groups: Sam

The second edition of Field Guide to the Sedges of the Pacific Northwest is a newly updated, expanded, and revised edition of the authoritative guide to the gen

Explore the secret world of slugs in forest, fields, and gardens from Southeast Alaska to California.