Mo Willems， #1 New York Times bestselling， award-winning author-illustrator， tackles a BIG concept in this hilarious nonfiction picture book about the relationship between size and scale。  
 
Are YOU big？
 
A simple question sends readers to the far reaches of the universe。 From an average-size kid 。 。 。 to a hot air balloon 。 。 。 to a storm cloud 。 。 。 to the M100 Galaxy， size is a matter of perspective。
 
Bold text， expressive art， and real-world science come together in this original Mo Willems STEAM-based， early-learning concept book。