Vera learns everything about trees and would really like to grow one. So, when she and her Grandma find a special acorn on the ground, they know exactly what to do! With the help of her friends, the Worm and the Ladybug, Vera plants and starts to grow her oak tree. Along with her, little readers will learn what it's like to grow a small seed, while the little windows on the pages of the book will reveal how the tree develops underground.