"Most bears sleep all winter, but Berkley isn't most bears--he has trouble falling asleep. Momma and Poppa Bear try to help, but nothing works. What will they do if Berkley is still wide awake when winter comes?"-- Provided by publisher.

Rosamond, who starts a book club, claims there is a monster on the loose who is ruining pages of her cookbook, which leads Nate the Great and his dog, Sludge, to investigate as undercover detectives.

Includes Nate the Great Stalks Stupidweed, Nate the Great Goes Down in the Dumps, Nate the Great and the Musical Note, Nate the Great and the Tardy Tortoise, Nate the Great: San Francisco Detective, Nate the Great and the Big Sniff, Nate the Great On the Owl Express, Nate the Great Saves the King of Sweden, Nate the Great The Pillowcase and Nate the Great The Case of the Fleeing Fang.