<p>Get this popular guide and start identifying all of those rocks seen on the beaches of the north shore of Lake Superior. Included are color illustrations of each type of rock, a description, tips for recognizing it and where to go to find it.</p>

Rock Pickers Guide to Lake Superior's North Shore (North Woods Naturalist Guides)

Science & Math

Stensaas, Mark "Sparky"

Earth Sciences

Kollath-Stensaas Publishing

Like a hike in the woods with a naturalist, this book takes you on a journey into the world of the winter finches that enliven our bird feeders and turn winter's drab into pizzaz! As part of the BirdNerd series, this book explains how to tell these birds apart, how they live and the most interesting details about their lives. It's packed with photos that capture the beauty and intrigue of our winter finches, and it covers 18 species, including crossbills, grosbeaks, cardinals, redpolls, siskins, waxwings and snow buntings.

Winter Finches & Friends of North America: A Naturalist's Handbook (BirdNerd Natural History)

Nature & Ecology

Stone Ridge Press

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Books by Stensaas, Mark "Sparky"