The Combination Lock Problem: Number Sequences - Hardcover

Bill Wise (1958) is a retired middle school teacher who has written seven children's books, including the award-winning biography Louis Sockalexis, Native American Baseball Pioneer. The Pigpen Problem is the first of a series of Clavis Publishing comic books that feature math concepts. As a former teacher, Bill likes to write books that are both entertaining and educational. When not writing, he enjoys spending time with his family. Bill lives in Maine, with his wife Mary Ann.

Davilyn Lynch was born and raised in Melbourne, Australia, where she spent most days drawing. She grew up in an inspiring household surrounded by her father's abstract canvasses. After the birth of her first child, she rediscovered her love of drawing. With the support of her husband and close friends, she made her dream a reality and became a fulltime illustrator. Davilyn is self-taught, allowing her passion and creativity to be her guide.