Marilyn Sadler has written more than 35 books and has won 12 awards. She received 1 Emmy nomination for her animated series, Handy Manny (which averaged around 2 million viewers a week!). She is the author of the P. J. Funnybunny books and the books about Alistair.

Marilyn lives in Ohio with her cat, Alice, who's shaped like a half sphere when she is sleeping and who acts like a princess when she's awake. Marilyn is 1/2 of the team that created the world of Charlie Piechart. Visit her online at www.marilynsadler.net.

Eric Comstock has illustrated and coauthored 3 books about Charlie Piechart. Eric lives in Austin, Texas. Eric loves shapes. He prefers his grilled cheese sandwiches cut in triangles, not rectangles. He likes to drink his coffee out of a cylinder with a handle. And his ice cream must always be eaten from a cone. If you look at his illustrations, you'll see characters that are made out of triangles, squares, rectangles, and circles. You can see what shapes Eric's using lately at ericcomstock.us.