On a scale of zero to ten, twelve-year-old Lily Hubbard is a zero when it comes to baking. Her cookies turn out salty, her cakes tend to lean, and things are always overcooked.

When Lily is invited to be a part of a mother-daughter book club called The Baking Bookworms, she is excited--and terrified. It seems like she's the only one who didn't inherit the baking gene.

But she does have the music gene, which is why she's forming a band that will audition for their school's annual Spring Fling. If, that is, Lily can balance her priorities. Because Isabel, one of the Baking Bookworms, has asked Lily to help plan a surprise party for their mutual friend Sophie. And the task is...creating a showstopping, mouthwatering, thirteenth-birthday-party-worthy dessert. Uh. Oh.

Soon, Lily finds herself knee-deep in sugar and sheet music as she tries to juggle her responsibility to her bandmates AND give her friend the best party ever.