Holly Keller has created vivacious new paintings for this favorite Reading Rainbow title about geology. Readers follow two enthusiastic rock hounds around the globe as they add to their collection. Along the way they will learn how se...

Hi, I'm Dorothy Ann, one of the kids in Ms. Frizzle's class. When we started learning about volcanoes, I thought we'd just be studying them in books -- but Ms. Frizzle had other ideas. She took us all the way to Hawaii, where we wad...