"orange de méthyle"

John G. Holt et al

James L. Castner

Book & Downloadable Content Combo Reference

These easy-to-use guides feature full-color photographs of living specimens as you would see them in their natural habitats, making identification of specimens a breeze.

Each pocket-sized volume contains hundreds of illustrations and descriptions of the most common, important, and striking examples of each type of animal, insect, or other specimen.

Walt Ream and Katherine G. Field

William C. Vinyard

Step-by-Step Experiments That Are Easily Executable

Janice Van Cleave

Aurora M. Sebastiani and Dale W. Fishbeck