"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...

Lotti is a shy girl who retreats into a world of books and reading, but eventually learns to make friends with other kids who share her passion, and reconnects with the real world (including her brother). Includes reading recommendations throughout.