A mouse named Wemberly, 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.

Squeek, the Monster of Innocence, builds up the courage to live without his bubble.

Mildred and Sam's eight baby mice prepare for their first day of school.

Mrs. Meyer, who worries excessively about everything, tries to help a young bird learn how to fly and discovers the thrill of flying herself.

Brock is worried about going to his friend's superhero birthday party alone, but while he is hiding he meets Nelly, who is just as frightened as he is.

When a nervous dog gets separated from her family on a trip to the farmer's market, her worst fears seem to be coming true.

"Mañana quizás haya cambios atemorizantes, raros o inquietantes. Mañana quizás sea un buen día para empezar a aceptarte."--

A constant worrier, Franklin Endicott earns a fresh cause for alarm when he accompanies Eugenia Lincoln to her favorite thrift shop and leaves with a mystery to solve.

Exploring the day-to-day life of a young Black child and her family, this lyrical picture book centers around Olivia, who, worrying about her father while he's at work, anxiously awaits his return, knowing that when he gets home, the evening will be full of love and fun.

Melvin, a cautious cement mixer, worries that he cannot keep up with the other trucks, but when Rita needs help, he overcomes his fear in order to help her.