Katherine Applegate

"The true story of Ivan, known as the Shopping Mall Gorilla, who lived alone in a small cage for almost 30 years before being relocated to the gorilla habitat at ZooAtlanta."--

"Sometimes weird things happen to people. Ask Jake. He could tell you about the night he and his friends saw a strange light in the sky that seemed to be heading right for them. That was the night five normal kids learned that humanity is under a silent attack -- and were given the power to fight back. Now Jake, Rachel, Cassie, Tobias, and Marco can transform into some of the most dangerous creatures on Earth. And they must use that power to outsmart...

"It begins with the dreams. Cassie has been having strange nightmares of a voice calling to her from deep beneath the ocean. They're unsettling, but it isn't until Cassie discovers Tobias has been having dreams too - the exact same dreams, of a voice pleading for help--that she decides it's time to start listening. When pieces of debris wash up on shore, marked with alien writing, the team realizes they may still have allies in the fight for Earth...

RL 5 ; 009-012 Ax and the Animorphs have a huge problem when they decide to morph mosquitos to slip by some Yeerks. They end up stuck in Zero-space with no idea how they got there, no way to get back to Earth .. and no oxygen.