Obert Skye

After fourteen-year-old Ozzy's scientist parents are kidnapped, Ozzy's only help may be a classified ad that says "Wizards for hire."

While Leven, Winter, and sidekicks Geth and Clover battle fantastical creatures in Foo, contrary forces in Reality plan to reconstruct the destroyed gateway between the mythical Foo and their own land.

As Leven, Geth, and Winter continue their quest to save Foo from the invading armies of rants, a new threat arrives, the Dearth.

Leven is summoned to the abode of the Want, not knowing whether that leader's intentions are to harm or to help Foo, and soon Leven is separated from his good friends as he continues his battle to save that mythical land.

Ozzy Toffy's adventure, which began in Wizard for Hire, continues when one dark and windy night, he gets out of bed, jumps out his window, and walks straight into the ocean.
More than ever, Ozzy could really use the services of Rin, the wizard he hired to help find his parents—but Rin is missing, despite Ozzy's continual attempts to contact him. And Clark, the mechanical bird his father left him, is as peculiar and vain as ever.

...

"The latest creature to emerge from Rob's closet is a cross between Chewbacca from "Star Wars" and "Harry Potter." Rob names him Potterwookiee (Hairy for short) and soon Rob finds himself treading water as he tries to figure out how to care for his mixed-up friend"--Provided by publisher.

"Rob Burnside is visited by an especially strange closet creature: the Cat in the Hat mashed with Gollum from The Lord of the Rings"--Provided by publisher.

Things are going pretty well for Rob Burnside until Pinocula--a cross between Pinocchio and a vampire--emerges from his closet, lying, joking, and doing his best to drive Rob crazy.

A textbook explaining the proper behavior of sycophants in the land of Foo, along with journal entries kept by a young student named Clover Ernest, who will become the sycophant of Leven Thumps.

Fourteen-year-old Leven Thumps (a.k.a. "Lev") lives a wretched life in Burnt Culvert, Oklahoma. But his life is about to change and his destiny be fulfilled as he learns about a secret gateway that bridges two worlds — the real world and Foo, a place created at the at the beginning of time in the folds of the mind that makes it possible for mankind to dream and hope, aspire and imagine. But Foo is in chaos, and three transplants from that dreamworld...