Wendy is the author of the Green and Small series and is a science enthusiast. She received a B.S. from Brigham Young University in sociology and health education and a Master of Forensic Sciences from George Washington University. Wendy enjoys spending time with her husband and six children.

Juliana Eigner was born in São Paulo and currently lives in Ubatuba, a small coastal town in Brazil. Since graduating with a degree in design Juliana has experimented with many different types of art, including jewelry, ceramics, porcelain, collage, and painting. In 2006 she became enchanted by surface patterns and its countless applications. Over the years, she has expanded her research to illustration. Juliana is in love with and inspired by nature. When she had her daughter, her work naturally started to reflect childhood, through elements of color and emotion. Nowadays, Juliana usually develops authorial work in both digital and manual art, ranging from clothes or chocolates to books or walls.