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Boo : The Cutest Dog

Boo is now the star of the book, "Boo: The Life of the World's Cutest Dog," which takes fans inside his adorable canine world. "Good Morning America" asked Facebook fans to send in the best caption for these photos of Boo. Without further ado, here are some of our favorites.

Cover image via abcnews.com

Boo: The Life of the World's Cutest Dog

"Peek a.......BOO! :))" – From Christy Baker "Mirror, Mirror on the wall, who's the Boo-ti-fulest dog of all? – From Linda Puckett "You lookin at me! Are you lookin at me!" – From Debbie Lee "I really need to shave." – From Julie Meredith "Ya think I need Boo-tox?" – From Rhonda Marlow Rigsbee (Photographs by Gretchen LeMaistre/Courtesy Chronicle Books)

Image via abcnews.com
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Boo is a 5-year-old Pomeranian with 1.5 million Facebook fans. The lovable pooch and his owner have put together the book, "Boo: The Life of the World's Cutest Dog," which takes fans inside his adorable canine world.

go.com

"Hey! My face won't fit in there!" – From Robin Kabrich
"Excuse me.....this is not what I ordered!!" -- From Carol Ross Shearer
(Photographs by Gretchen LeMaistre/Courtesy Chronicle Books)

abcnews.com

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