"Willow is shy. VERY shy. Her home is in an abandoned mailbox, and she'd rather stay put. Outside kids scream and soccer balls collide, trees look like monsters, and rain is noisy in a scary kind of way. It's much nicer to stay inside, drawing. But then a young boy drops a letter in Willow's mailbox: it's a note to the moon asking for a special favor. Willow knows that if she doesn't brave the world outside, the letter will never be delivered, and...

On her very first day of school, Sophie is reluctant to make friends with the other children, preferring to play with two squash she grew in her garden--but when a particularly persistent boy named Steven gives her a packet of seeds as an apology for accidentally ripping her picture, she realizes that it just takes time to grow a friend.

Stella Diaz wants to be friends with the new boy in class, but sometimes she accidentally speaks Spanish instead of English and pronounces words wrong, which makes her turn roja. In addition, she has to get over her fear of speaking in front of the class.