Prudencia se preocupaba por todo. Por cosas grandes, por cosas pequeñas y por cosas insignificantes. Llegó el momento de empezar el colegio, y Prudencia se preocupó aún más. A mouse named Prudencia, who worries about everything, finds that she has a whole list of things to worry about when she faces the first day of nursery school.

When Darcy spends her first night away from home she is a little apprehensive, but when the sun comes up and breakfast is on the table she realizes sleepovers can be a lot of fun.

Features nine of Henkes picture book stories featuring his mouse characters.

A mouse named Wemberly, who worries about everything, finds that patience, just like a frosty treat, will go a long way.