Are YOU small? A little question sends readers on a BIG adventure to see the smallest of the small. From an average-size kid . . . to a cookie crumb . . . to a water molecule . . . all the way down to a single quark, readers discover that size is a matter of perspective. The perfect companion title to Mo Willems' breakout title, Are You Big?, this early-learning concept book features bold text, expressive art, and real-world science.