Sophie's friend Hattie tries out for a play at Oak Hollow Theater in this sixteenth charming book of The Adventures of Sophie Mouse series! When Hattie Frog learns that Oak Hollow Theater is putting on a play and anyone can audition, she knows it's her time to shine. Sophie is surprised because Hattie is usually so shy! But she supports her friend and helps Hattie practice for her audition. And Hattie gets a role! There's just one problem. Now Hattie isn't so sure she's ready to be on stage in front of all of Pine Needle Grove! .