Mr. Watson's usual Saturday drive in his Cadillac with his favorite pig, Mercy, turns into an adventure when an unexpected passenger shows up in the back seat and Mercy finds herself behind the wheel.
390 Lexile.|||006-008.|||550L Lexile|||juvenile
Kate DiCamillo ; illustrated by Chris Van Dusen.
Accelerated Reader AR LG 2.7 0.5 106376.
Theodor Seuss Geisel Award Honor book, 2007.