Good Night, Gorilla by Peggy Rathmann

In this delightful and whimsical tale, a mischievous gorilla quietly follows the zookeeper on his nightly rounds, stealthily unlocking the cages of various animals. As the zookeeper bids each animal goodnight, they secretly join the gorilla in a playful parade back to the zookeeper's house. Unaware of his growing entourage, the zookeeper and his wife are in for a surprise when they discover their unexpected guests, leading to a heartwarming resolution that ensures everyone gets a good night's sleep.

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