"Amos McGee, a friendly zookeeper, always made time to visit his good friends: the elephant, the tortoise, the penguin, the rhinoceros, and the owl. But one day--'Ah-choo!'--he woke with the sniffles and the sneezes. Though he didn't make it into the zoo that day, he did receive some unexpected guests."--Dust jacket.

Noah and his friends follow a trail of mysterious clues to uncover a secret behind the walls of the Clarksville City Zoo--a secret that must be protected at all costs.

At New York City's Central Park Zoo, two male penguins fall in love and start a family by taking turns sitting on an abandoned egg until it hatches.

When the winter doldrums arrive at the zoo, a very small hippo and a young kangaroo decide to stage a "ZooZical," a show to display their singing, dancing, acrobatic, and other talents to the people of Springfield.

When he misses his bus to the zoo, Amos McGee, a friendly zookeeper who was up late planning a surprise for his friends, gets some unexpected help.

As the first baby gorilla every born at the Roxbury Zoo Barny has always been special, but new arrivals make him question whether he will always be treated that way.

Noah, Megan, Richie, and Ella must navigate a maze of never-ending aquariums in the Secret Zoo to rescue their animal friends.

As a curious duckling visits the zoo for the first time, the reader is asked to identify various zoo animals in the illustrations. Includes factual information about the physical characteristics and behavior of each animal in the story.

"Someone has been sleeping on Elephant's haystack, drinking from Lion's bowl, going potty in Ostrich's sandbox, and scratching Giraffe's favorite tree. Who could it be?"--

"On Halloween night, the scouts, along with their Descender allies, must battle terrifying sasquatches at their own elementary school. Little do they know, the sasquatches are merely the bait to a trap. DeGraff captures three of the Descenders and drags them into a frightening, off-limits sector of The Secret Zoo. Meanwhile, Noah and his friends must protect two of their animals allies from police officers who are convinced that they are dangerous...