Amy Guglielmo is a co-author of the popular Touch the Art series. Titles include: Brush Mona Lisa's Hair, Make Van Gogh's Bed and Pop Warhol's Top. Amy studied printmaking at the Tamarind Institute in New Mexico. She is an award-winning artist and illustrator, teacher, arts in education consultant, and the founder of Via Verde School of Art in New York City. Amy was a finalist for the 2014 Katherine Patterson Prize for Young Adult and Children's Writing. She lives with her husband on Lake Champlain.

Petra Braun is an artist and illustrator settled in the countryside of Austria. Together with her husband and two cats Woody and Berta, she lives in a small house surrounded by woods and rivers.