Books
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River-horse : the Logbook of a Boat Across America
Listing type: Adult Non-Fiction
Publisher: Houghton Mifflin
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Science Warriors : the Battle Against Invasive Species
Listing type: Youth
Publisher: Houghton Mifflin
Listing type: Adult Non-Fiction
Publisher: Houghton Mifflin
Listing type: Youth
Publisher: Houghton Mifflin