The adventure continues in Book #4 of the captivating and hilarious chapter book series from beloved middle grade author Suzanne Selfors and acclaimed illustrator Dan Santat.

At Dr. Woo's Worm Hospital, Pearl and Ben are greeted with some bad news. A human has been spotted in the Imaginary World! Dr. Woo suspects it might be Maximus Steele -- a poacher with his sights set on prized animal horns. What creature will he attack next? Will it be a unicorn?

Together, Pearl, Ben, and Dr. Woo travel to the Tangled Forest. It's an amazing, colorful, and wild place. Ultimately, the responsibility falls to Pearl to find the lost unicorn. But in a land of fire-breathing insects and flesh-eating flora, is she up for the challenge?

Suzanne Selfors delivers a wild journey filled with mythical creatures and zany adventures that are anything but imaginary.