David, the newest Animorph, is not what he appears. His need to control the other Animorphs and Ax is all he thinks about. And the things he does are starting to break up the group.

Eleven-year-old Gregor and his younger sister, Boots, return to the Underworld beneath New York City to find the cure for a terrible plague that threatens the life of their mother, as well as the lives of the people, bats, and rats who populate the underworld.

Two girls spend an adventurous night trapped inside the public library during a terrible blizzard.

More mysterious cases for "America's Sherlock Holmes in sneakers" to solve for the standard twenty-five-cent fee. Solutions are included at the back of the book.

In the midst of a series of unexplained accidents and mysterious coincidences, sixth-graders Calder, Petra, and Tommy lead their classmates in an attempt to keep Frank Lloyd Wright's famous Robie House from being demolished.

Relates the adventures of a country doll made of an apple-wood twig with a hickory nut for a head.

Three out of three! Sparr has found all of his Three Powers, and that adds up to big trouble for Droon. Armed with the Red Eye of Dawn, the Coiled Viper, and the Golden Wasp, Sparr is more powerful than ever. And once he reaches the Isle of Mists, he is going to try an amazing new magic trick. A trick to take over all of Droon. Evil Lord Sparr has collected all Three Powers, something he has been trying to do since the very first DROON adventure....

In early 1980s New Mexico, thirteen-year-old Jackson Jones recruits his cousins and sisters to help tend an elderly neighbor's neglected apple orchard for the chance to make big money and, perhaps, to own the orchard.