The adventure of a lifetime begins between two sofa cushions....
When River, Freak, and Fiona discover a mysterious sofa sitting at their bus stop, their search for loose change produces a rare zucchini-colored crayon. Little do they know this peculiar treasure is about to launch them into the middle of a plot to conquer the world
The kids' only hope is to trap the plot's mastermind when he comes to steal the crayon. But how can three kids from the middle of nowhere stop an evil billionaire? With the help of an eccentric neighbor, an artificially intelligent domino, a...

This never-before-seen twist on time travel adventure explores the theme of accepting those who are different--and having the courage to join them.
The moment Ambrose Brody steps into a fortune-teller's tent, he is whisked into a quest that spans millennia with his best friend, an enigmatic carnival girl, and an unusual family heirloom that drops them into the middle of the nineteenth century The year 1852 is a dangerous time for three non-white children, and they must work together to dodge slave-catchers and save ancestors from certain death--all while figuring out how to...