After the zoo closes, the zookeepers check on all the animals to make sure that they are sleeping comfortably.

The Alden children investigate various mix-ups at a zoo run by their grandfather's friend in an effort to save it not only from pranksters but also from the town council.

"Marlin, a stutterer, can talk smoothly and freely with the jungle animals that populate his father's zoo in South America--until a mysterious man-eating black jaguar that his father catches and brings back home talks back"--

Penguins at the zoo have an exciting afternoon when one finds a camera left behind by a visitor.

While spending two days touring a zoo to see the baby animals, the four Alden children, aged six to fourteen, help catch an escaped monkey, participate in a photography contest, and investigate a missing camera.

Lyle is perfectly happy living with the Primms on East 88th Street in New York City until Mr. Grumps, their irritable neighbor, has Lyle put in the zoo.

"Pinkalicious can't wait to see all of the animals at the zoo. She doesn't count on getting into some monkey business of her own!"--P [4] of cover.

Big Max, the world's greatest detective, helps the zoo keeper find a missing moose.

"At the zoo with her family, a girl mopes around until she is asked to help rescue the zoo's penguins from boredom"--

On a field trip to the zoo, Cam Jansen uses her photographic memory to help solve what happened to Danny's lunch.