NOLS Backcountry Nutrition Ryan 272pp/illus ISBN 9780811735056 16.95 US$15.26Stock No. HTU576 NOLS expert Mary Howley Ryan explains the nutrients you need in the backcountry, why you need them, how much you need, and where to find them in wilderness foods. Included is info on how to adjust for special environments or special diets and how to deal with illnesses. Learn what gives you energy, builds strength, keeps your immune system strong, and minimizes cranky moments Item Status: In stock as of this morning

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