Some people say you can't be too rich or too thin. We say you can't be too smart! Bone up on science facts and the wonders of the natural world with this complete set of Audubon Field Guides. Audubon complete series, $375 at Best Made Co. Photo 6 of 11 in Holiday Gift Guide: For the Person Who Has Everything by Kelsey Keith

Holiday Gift Guide: For the Person Who Has Everything

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Some people say you can't be too rich or too thin. We say you can't be too smart! Bone up on science facts and the wonders of the natural world with this complete set of Audubon Field Guides. Audubon complete series, $375 at Best Made Co.