With Earth Day coming up, Katie decides to have a yard sale with her friends and recycle her old toys.

Katie goes to the bank with her friends JoJo and Pedro, and learns the value of having a place to keep her money.

Katie and her class visit a farm, and find out where eggs and milk come from.

When Pedro keeps "losing" his eyeglasses, Katie shows him why it is alright--and necessary--to wear them.

While shopping with her parents in a mall, Katie helps a lost boy, not realizing that she may be lost, too.

Katie Woo and her friends would love to be part of Sophie's new club, but Sophie does not think they, or anyone, is good enough, so they form their own club.

Disappointed that her monster costume does not frighten anyone, Katie Woo still finds a way to have a happy Halloween.

Katie, her father, JoJo, and Pedro are on a special sleepover at the museum; but at night the dark halls are spooky, and it is easy to imagine that the dinosaurs are ghosts haunting the museum--and when Mr. Woo disappears the children become frightened.

Combines four previously published stories about Katie Woo and her friends, including Boss of the world, The tricky tooth, Goodbye to Goldie, and Katie goes camping.

Katie learns what a vegetable farmer does when she visits a farm and helps sell the vegetables at a farmers market.