Look who just blew in! Meet Puff. He's air. And he's a gas! Puff has been here for billions of years, forming a blanket of protection around Earth to hold in heat and keep out cold. Puff is key to life--he's the air we breathe and the wind around us. And he's got talent! Have you ever incinerated a space rock? Traveled from the highest heights to the deepest depths of the sea? Or spun through a tornado? Puff has! He'll tell you all about it. With refreshing wit and breezy one-liners, Puff takes readers on an airy adventure through the atmosphere, earth, water, and you. Filled with irresistible artwork, funny asides, and a gentle current of kid-enticing facts, Puff is the breath of fresh air we've all needed.