Nina and the Keeper of the Keystone: Secret Society of Rebel Girls -

Marti Dumas is a mom, teacher, writer, and creative entrepreneur from New Orleans. An expert in childhood literacy, Marti has worked with children and teachers across the country for the last 15 years to promote an early love of reading both in and out of the classroom. Her best-selling Jaden Toussaint, the Greatest series combines literacy with STEM skills and humor and adds much-needed diversity to the children's chapter book landscape. Her latest book, Wildseed Witch, is a middle-grade fantasy that is already being heralded for its skillful combination of technology, history, and magic.

Yaoyao Ma Van As is a Los Angeles-based art director, painter, illustrator, and occasional animator. She has worked at Disney TV Animation, Warner Brothers Animation, Rick and Morty, Stoopid Buddy Studios and Starburns Industries.

Yaoyao Ma Van As is a Los Angeles-based art director, painter, illustrator, and occasional animator. She has worked at Disney TV Animation, Warner Brothers Animation, Rick and Morty, Stoopid Buddy Studios and Starburns Industries.