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Wolf Won't Bite! by Emily Gravett
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Wikipedia in English
Amazon.com Product Description (ISBN 0230704255, Hardcover)Take your seat in the front row and watch in wonder as three cheeky little circus pigs make a wild wolf jump through hoops (literally), endure feats of astounding derring-do, and even withstand perilous games of dress-up. Safe in the thought that "Wolf Won't Bite!" they even put their heads between his jaws ...but can you push a wolf too far? Sure to strike a chord with anyone who has both a pet and a young child, this is a very funny and playful story with a snappy ending!
(retrieved from Amazon Mon, 30 Sep 2013 13:17:57 -0400)
Three little circus pigs capture a wild wolf and make him do outrageous tricks, safe in the belief that he would never bite them.
(summary from another edition)