Books by Alex Matthews

Follows the adventures of four penguins: Skipper, Rico, Kowalski, and Private, who perform various paramilitary-like missions to protect their home in the Central Park Zoo. The penguins often have to deal with problems caused, or made worse, by King Julien XIII (a ring-tailed lemur), Maurice (an aye-aye), and Mort (a mouse lemur).

The Penguins and the North Wind have teamed up! But,the two teams argue so much that they're soon on the wrong foot. The North Wind and the Penguins discover that the Elitist-est of the Elite title will be given to the task force that survives a nearby pyramid