Katie Slivensky is a professional science educator and enthusiast with science degrees from the University of Michigan and Stony Brook University. She is the critically acclaimed author of two middle grade novels, The Countdown Conspiracy and The Seismic Seven, and the picture books This Wolf Was Different, illustrated by Hannah Salyer, and I, Rock, illustrated by Steph Stilwell. Katie lives just outside Boston with her family, including her cat, Darwin. Visit her at KatieSlivensky.com.

Steph Stilwell is a New York Times bestselling illustrator of books including I, Rock by Katie Slivensky and I Love You So Mush! by Dori Elys. Steph received her BFA in illustration from MICA and has since collaborated with clients like American Greetings, Snapchat, BarkBox, and Trader Joe’s. When she isn’t making work for clients, you’ll likely find her scribbling in her sketchbook, binge-watching a cooking show, or baking. Steph is based in Brooklyn, New York, and you can learn more at StephStilwell.com.