Peterson First Guide Mammals of North America Paperback – May 15, 1998 by Peter Alden (Author), Roger Tory Peterson (Editor), Richard Philip Grossenheider (Illustrator)
 
Peterson First Guides are the first books the beginning naturalist needs. Condensed versions of the famous Peterson Field Guides, the First Guides focus on the animals, plants, and other natural things you are most likely to see. They make it fun to get into the field and easy to progress to the full-fledged Peterson Guides.
 
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