Katie wants to be helpful, and so she starts making dinner on her own.

Katie misses school while she is home with the flu.

Katie is the only one in her class who has not lost a tooth, but despite all of her efforts, her wiggly tooth refuses to come out.

Katie loves being the best dancer in her dance class, so when Mattie joins the class and begins to outshine her, Katie is jealous.

When her class celebrates Valentine's Day, Katie does not get a valentine from anyone.

Katie is sad when she is cast as an earthworm in her school play, because that means she cannot be the star.

Katie is flying to Florida to visit her grandmother, but she has never been on an airplane before.

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

When Katie's mother feels unwell on the day before Mother's Day, Katie wants to do everything she can think of to help her mother get well--but she forgot to get a present.

When Katie Woo's family moves, she is sad about leaving her room to a stranger, and even more concerned that the new house will never feel like home.