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Rockhounding & Prospecting Upper Midwest: How To Find Gold, Copper, Agates, Thomsonite & Other FavoritesMagnuson, Jim $19.95
Hortus Curious: Discover The World's Most Weird And Wonderful Plants And FungiPerry, Michael & Apsley, Aaron $21.99
How Dogs Work: A Head - To - Tail Guide To Your Canine ( How Things Work )Tatarsky, Daniel & David Humphries $16.99
Rude Science: Everything You've Always Wanted To Know About Science No One Ever Talks AboutGates, Stefan $16.99