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Written by Michaela Muntean
Illustrator David Prebenna
Published 1996
Publisher Western Publishing
Series Little Golden Books
ISBN 0307303683

Growing Up Grouchy is a 1996 Sesame Street Little Golden Book that tells the story of Oscar the Grouch's misspent youth.

Oscar was born on a sleety, slushy, gray day, which according to grouch lore is good, for if a grouch is born on a sunny day, they will grow up with a sunny outlook on life. Oscar was named after his family saw the name on the side of a garbage truck outside the nursery window.

Oscar was a smelly baby, and his favorite foods were sour-cream prune cereal and crabapple sauce. His favorite toys were a dented trumpet, a pair of pot lids and an old drum, all of which he used to make lots of noise. His first word was "yucch," and his second was "no," and his first sentence was, "Leave me alone!" His favorite stories were Beauty and the Beast and The Ugly Duckling, and he slept with his itchy blankie, a toy skunk, and slimey.