ERICA PERL is the author and creator of the Truth or Lie series within Step into Reading, along with many hilarious picture books and award-winning novels for young readers. Most recently she received the National Jewish Book Award and a Sydney Taylor Honor for her novel All Three Stooges. Before becoming a full-time writer, Erica worked for First Book, a nonprofit literacy organization. She's an enthusiastic, inspiring speaker and presenter at schools, libraries, and conferences. Erica lives in Washington, DC, with her family. To learn more, you can find her at ericaperl.com, on Facebook, and on Twitter at @ericaperl.

MICHAEL SLACK is an artist, illustrator, character designer, and award-winning app designer. His work has appeared on board games, card games, and even a puzzle. Michael has illustrated many hysterically funny picture books--including many he has written himself. He lives with his family in the San Francisco Bay Area. Visit his website at slackart.com, and follow him on Twitter at @michaelslackart, on Facebook, and on Pinterest.