Tough Boris

Mem Fox is an educator and international literacy expert, and her many acclaimed picture books for young children include Yoo-Hoo, Ladybug!; Hello Baby!; Baby Bedtime; I'm an Immigrant Too; the bestselling modern classics Ten Little Fingers and Ten Little Toes and Time for Bed; and, for adults, Reading Magic: Why Reading Aloud to Our Children Will Change Their Lives Forever. She lives in Adelaide, Australia. Visit her at MemFox.com.

Kathryn Brown has illustrated numerous highly-acclaimed picture books for children. She lives with her husband and their daughter near Jane Yolen in western Massachusetts. She did not, however, use the moles on Jane Yolen's farm as models for this book. (They were too hard to catch.)