Als der Drogenboss einer Hanffarm erschossen wird, beschließen seine Mitarbeiter Jack, Harlan und...

Focusing on California rocks and minerals, this tabbed booklet features detailed photographs, org...

This updated field guide, organized by area, features full-color photographs and information to h...

Get this must-have guide for Michigan, featuring full-color photographs and information to help y...

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Focusing on agates of Michigan, Minnesota, Wisconsin, and southern Ontario, this field guide feat...

Get this must-have guide for Minnesota, featuring full-color photographs and information to help ...

Focusing on rocks and minerals of Wisconsin, Illinois and Iowa, this field guide features full-co...

Now you can play all of your favorite card games while studying agates. Each card in this standar...

Get this must-have guide for New York, featuring full-color photographs and information to help y...

Focusing on the most common rocks and minerals in the United States, this tabbed booklet features...

Focusing on rocks and minerals of Washington and Oregon, this field guide features full-color pho...

Get this incomparable field guide to Colorado's rocks and minerals. Full-color photographs and th...

Focusing on rocks and minerals of California, Oregon, and Washington's Pacific Coast, this tabbed...

Agates - few other natural formations exhibit the tremendous variety seen in these curiously band...

This guide contains everything you need to know about Lake Superior's agates.

'Explore the beauty and history of turquoise, one of the most celebrated and treasured gemstones ...