(Paperback)

An acclaimed field guide author and a psychologist take an objective look at crystal healing and share their conclusions in a fascinating and informative book.

(Paperback)

(Paperback)

This childrens guide presents an introduction to the Earth, rock formation, and landforms, as well as hands-on educational activities about geoscience.

(Paperback)

This childrens guide to fossil collecting includes an introduction to paleontology, an identification section, and how to instructions.

(Paperback)

This childrens guide to rock collecting includes a beginners introduction to geology, an identification section for 75 types of common and collectible rocks and minerals, and a how to section.

(Spiral bound)

Focusing on collectible rocks and minerals of California, Oregon, and Washington's Pacific Coast, this tabbed booklet helps readers to easily identify their finds.

(Paperback)

Focusing on rocks and minerals of Colorado, this field guide features full-color photographs and information to help readers identify their finds.

(Hardback)

This childrens guide to fossil collecting includes an introduction to paleontology, an identification section, and how to instructions.

(Paperback)

Focusing on agates of Michigan, Minnesota, Wisconsin, and southern Ontario, this field guide features full-color photographs and information to help readers identify their finds.

(Paperback, 2nd Revised edition)

This updated field guide, organized by area, features full-color photographs and information to help readers easily identify the regions rocks and minerals.

(Paperback)

Focusing on rocks and minerals found in Michigan, this field guide features full-color photographs and information to help readers quickly and easily identify the rocks and minerals they find.

(Paperback)

Focusing on rocks and minerals of Minnesota, this field guide features full-color photographs and information to help readers identify their finds.

(Paperback)

Focusing on rocks and minerals of New York, this field guide features full-color photographs and information to help readers identify their finds.

(Paperback)

This all-in-one guide helps readers learn how to find, identify, and collect Michigans Petoskey stone.

(Hardback)

This all-in-one guide helps readers learn how to find, identify, and collect Michigans Petoskey stone.

(Hardback)

This childrens guide to rock collecting includes a beginners introduction to geology, an identification section for 75 types of common and collectible rocks and minerals, and a how to section.

(Paperback)

(Paperback)

This interactive workbook introduces children to rocks and minerals through fun activities and hands-on science projects.

(Spiral bound)

Focusing on California rocks and minerals, this tabbed booklet features detailed photographs, organized by rocks/minerals and then by general appearance, to help readers quickly and easily identify the rocks and minerals they find.

(Spiral bound)

Focusing on rocks and minerals of California, Oregon, and Washington's Pacific Coast, this tabbed booklet features detailed photographs, organized by rocks/minerals and then by general appearance, to help readers quickly and easily identify the rocks and minerals they find.

(Spiral bound)

Focusing on the most common rocks and minerals in the United States, this tabbed booklet features detailed photographs, organized by rocks/minerals and then by general appearance, to help readers quickly and easily identify the rocks and minerals they find.

(Paperback)

Focusing on rocks and minerals of Washington and Oregon, this field guide features full-color photographs and information to help readers identify their finds.

(Paperback)

Focusing on rocks and minerals of Wisconsin, Illinois and Iowa, this field guide features full-color photographs and information to help readers identify their finds.

(Paperback)