Sticker Girl and the Cupcake Challenge. This item is unavailable.Sticker Girl and the Cupcake Challenge

Jump into Book 3 of this magical middle grade adventure series with Sticker Girl Martina Rivera!
Bonus feature: Sticker sheet featuring the magic stickers from Book 3 packaged with the book.

A gumball machine robot.
Two adorable (and creative) kittens.
An unruly ant farm.

These are just a few of the new stickers waiting to be peeled off of Martina Rivera’s new magical sticker sheet and SPRING TO LIFE. Student council is keeping Martina busy with a bake sale and cupcake-savvy Bev is excited to help out. The girls advertise their delicious creations and are thrilled to be invited to participate in a web show baking contest. Can Martina balance school and a ruthless cupcake competition, all while keeping her stickers in check? Or is this a recipe for disaster?

Christy Ottaviano Books

Janet Tashjian is a middle-grade and young adult novelist who's been writing books for children for over two decades. Her first novel Tru Confessions was made into a critically acclaimed Disney TV movie starring Clara Bryant and Shia LaBeouf. The Gospel According to Larry series is a cult favorite and Fault Line is taught in many middle and high schools. Her bestselling My Life As a Book series is illustrated by her son, Jake. They also collaborated on the Einstein the Class Hamster series.

Janet collaborated with fellow Macmillan author Laurie Keller on the chapter book series Marty Frye, Private Eye. Janet currently lives in Los Angeles and made her new home city the setting of the Sticker Girl series, which details the adventures of Martina who overcomes being shy with the help of her magical stickers that come to life.