Oh, joy! Here is Kellogg's fourth picture book about the obstreperous but well-meaning Great Dane puppy, Pinkerton. This time, Pinkerton is teething, and it seems as if no object in the house, from pencils to piano legs, is safe from his persistent gnawing. In an effort to save the homestead, his young mistress takes him along on her class visit to the natural history museum. There things go from bad to gloriously worse as Pinkerton starts chewing away on the dinosaur skeleton display. This is possibly the most chaotic and funniest class visit since Trina Hakes Noble's The Day Jimmy's Boa Ate the Wash (Dial, 1980), also illustrated by Kellogg. The text here is fairly simple and serves as the straight man for the outlandish humor of the full-color wash-and-ink illustrations. Each panel is crowded with funny, off-the-wall details. All this plus the current dinosauromania should ensure that this book will be as big a hit with preschool and primary readers as are the other books in the series. Kay McPherson, Central Atlanta-Fulton Public Library Copyright 1987 Reed Business Information, Inc.