Erica S. Perl (she/her) is the author of The Capybara Conspiracy, When Life Gives You OJ, Aces Wild, Vintage Veronica, the Arnold and Louise chapter book series, and a number of picture books. She lives in Washington, DC, with her family. Learn more about her on Twitter @ericaperl or at ericaperl.com.

Leire Martín (she/her) is an illustrator from San Sebastián, Spain. She originally worked as a 3-D artist, but drawing has always been her passion, so she decided to become a professional illustrator. She usually draws digitally, but loves traditional art, too. She's a stationery lover and could easily spend a whole day browsing through notebooks and all kinds of art supplies!