Visser Four has found the Time Matrix, the machine Elfangor had hidden, and he plans to use it to become Visser One

A single Arn, Quafijinivon, the last member of the race that created the Hork-Bajir has survived. He has seen his entire people wiped out. He has seen the Hork-Bajir enslaved. Now, after a lifetime of planning and plotting, he wants to get his revenge on the Yeerks. And he wants to atone for the problems the Arn have caused. He is old and weak. But he has something the Yeerks have reason to fear: the Ixcila, the mind pattern and persona of Aldrea-Iskillion-Falan....

Having gotten a pair of hard-to-find Walkie Talkie shoes, Roscoe is suddenly popular and wants his best friend, Gus, to join the fun, but before Gus's parents will buy him new shoes, he must wear out his long-lasting sneakers

When the first-graders' bee antennae would not stay on their heads and the drummers would not stay in their seats for the open house play, Roscoe decides to help by using the "don't-you-dare" glue

The Animorphs have one true ally in their battle against the Yeerks: the sentient androids known as the Chee. So, when they discover that the Chee - including their friend Erek - are in trouble, they have no choice but to help. But the Chee's problem is much deeper than anything the kids could have imagined. It's hidden in the ocean. So far down that no human has ever travelled there and survived. The Animorphs realize what will happen if Visser...

Marco never wanted to be an Animorph. He didn't want the ability to change into any animal he touches. And he certainly didn't want to be one of a handful of kids that are the planet's only defense against a secret alien army. His friends know why he feels the way he does. He's worried about his dad -- the only family Marco has left. If anything happens to him, his father will be alone. But something big is about to change for Marco. Something that...