Lawrence Newcomb

The classic key to identifying trees by their leaves and needles.

Aurora M. Sebastiani and Dale W. Fishbeck

C. Robert Gridley

Identify Over Thirty Different Forms

A consolidation of hints, and memory aids to help remember key concepts about DNA.

Efficient Means of Storing and Quickly Referencing Information

Thomas Spurgeon et al

Brilliantly bring nature to life with the vivid images and simple text of these award-winning early science Big Books. Each oversized book measures 14×20", and is large enough for students to see from the back of the classroom.

Dawn Hudson

Janice Van Cleave

James L. Castner

Peterson First Guides are the first books the beginning naturalist needs.

John G. Holt et al

A Comprehensive Curriculum for Student-Driven Learning

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.

More than 18-million nature lovers have chosen the National Audubon Society Field Guides as their reference tool. Each 600+ page guide is packed with brilliant, full-color identification photographs organized to make identification simple and accurate, plus descriptive text.

William C. Vinyard

Walt Ream and Katherine G. Field

Martin Shields

Book & CD-ROM Combo Reference

Larry Gonick and Mark Wheelis

Actively involve your students in the learning process with these sophisticated biology coloring books.

A more in-depth biochemical analysis of foods.

Judith M. Hancock

These economical and concise guides contain the right amount of information for reference during dissection.

This exceptional guide to North American insects is a benchmark against which all other guides are measured.

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.

Full Year Course Prepares Students For AP And College