The zookeeper is ready for bed, but one mischievous gorilla has a very different plan! As the zookeeper makes his final rounds to say good night, the sneaky gorilla quietly follows right behind him with a stolen ring of keys. One by one, the gorilla lets the elephant, lion, hyena, giraffe, and armadillo out of their cages. Soon, a whole parade of sleepy animals is following the clueless zookeeper all the way into his own house. You will love carefully watching the pictures to see all the hidden details and funny surprises. What happens when the zookeeper's wife finally turns off the light and says good night? This hilarious and mostly wordless story lets you become the ultimate detective. You get to spot the funny things the animals are doing while the zookeeper remains completely unaware of the wild parade right behind his back.