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There lies Rover -- or Lily, Goofs, Ribsy, or Spot -- sleeping on the rug, slightly woofing, then growling, now twitching, as he naps. Most of us think, Oh, isn't that cute, and let it go at that. Author Louise Rafkin, however, knows what dogs dream, and she shows the rest of us in her latest book.What Do Dogs Dream? is the wonderful product of Rafkin's vivid imagination and the hilariously detailed illustrations of artist Alison Bechdel as they're applied to the universal appeal of man's best friend. This book is to dog lovers what All I Ever Needed to Know I Learned from My Cat was to the feline world -- and more.The 20 written and illustrated entries in this perfect gift-sized book take us right to the front lines with our four-legged friends. No human narrators here; no, we're talking straight from the canines' mouths: It's dogs telling exactly what dogs dream.