Twelve-year-old Teddy investigates when a popular Texas zoo's star attraction--Henry the hippopotamus--is murdered.

After learning that the zoo animals yearn to be free, four-year-old Lulu takes them home with her.

Teddy Fitzroy must solve the crime of the kidnapped rare and expensive panda, Li Ping.

"Young Gerald McGrew thinks of all sorts of unusual animals he'd have in a zoo. Dr. Seuss at his best."

An unobservant zookeeper is followed home by all the animals he thinks he has left behind in the zoo.

Twelve-year-old Teddy Fitzroy is the prime suspect when FunJungle's newly-acquired koala goes missing, thanks to a prank staged by middle school bully Vance Jessup.

"Someone is trying to hunt FunJungle's Asian greater one-horned rhinoceros, and twelve-year-old Teddy Fitzroy is on the case"--

Joining the new baby animals at the zoo are the much-loved pengaroo and the pandacat.

When Balthazar Jones is tasked with setting up an elaborate menagerie within the Tower of London's walls to house the many exotic animals gifted to the Queen, life at the Tower gets all the more interesting. Penguins escape, giraffes are stolen, and the Komodo dragon sends innocent people running for their lives. Balthazar is in charge and things are not exactly running smoothly. Then his wife Hebe decides to leave him and his beloved tortoise "runs"...