Introduces over four hundred different gemstone specimens, with descriptions, identification tips, and classification information for each stone.

Fungi introduces you to 75 fascinating fungi from around the world.

Birds introduces you to 75 fascinating species from around the world.

A guide to the identification, structure, and uses of precious and semi-precious stones, novelty stones, agates, and crystals.

Simon & Schuster's Guide to Gems and Precious Stones provides both the connoisseur and the casual collector with a compact, easy-to-use volume describing more t