The Pixel Corps of Discovery has been sent out to find the source of the excess CO2 in the atmosphere. But the Pixel's plane crash landed in a strange world, on the desktop of fourth-grader Faith Singer. Being one millimeter tall, the Pixel family--Speck, Dotty, Bitty, Nano, and Grandpa Grain--must take a long, perilous journey to escape...through the inside of the desk and out the bottom.