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Sticker Girl and the Cupcake Challenge

Janet Tashjian, Inga Wilmink (Illustrator)


List Price: 7.99*
* Individual store prices may vary.

Other Editions of This Title:
Hardcover (10/9/2018)


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?

A Christy Ottaviano Book

Praise For Sticker Girl and the Cupcake Challenge

Sticker Girl Rules the School:

“Latina Martina Rivera and white best friend, Bev, open a new packet of magic stickers featuring Craig, their trusted cupcake companion (the only original sticker to return). . . . With nods to her Latin-American upbringing, the story respectfully portrays a close-knit family consisting of an annoying older brother, caring parents, curious toddler brother, knowing abuelita, and other extended family. . . . Readers will want to stick with future episodes of this a-PEEL-ling and accessible series.” —Kirkus Reviews

Sticker Girl:

"Tashjian (the Einstein the Class Hamster series) sympathetically portrays the fears that can derail an otherwise confident girl like Marti, whose emotional journey is both realistic and humorous. . . . Newcomer Wilmink’s emoji-cute illustrations . . . play well with the upbeat tone of this satisfying series kickoff." —Publishers Weekly

Square Fish, 9781250211439, 192pp.

Publication Date: January 1, 2023

About the Author

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.

Inga Wilmink is a freelance illustrator and surface pattern designer whose quirky, colorful designs and illustrations have appeared in products by American Greetings, Disney, Hallmark, and Macmillan Children's Publishing.

Inga illustrated Janet Tashjian's Sticker Girl book series, including Sticker Girl Rules the School and Sticker Girl Bakes Up Trouble.