Albin Sadar writes and invents goofy and creative books and toys for kids and adults! He also cowrote and produced the children's video, The Chartreuse Goose, and masterminded the hot-air-balloon water tower at NASCAR's Victory Junction Camp. Albin lives with his beautiful wife, Anne, in Tarrytown, New York.
Valerio Fabbretti is passionate about drawing, comic books, animation, and spaghetti westerns. He has illustrated children's books and comic books in the US and in Italy. Valerio was born in Rome, but studied illustration in San Francisco, where he is currently living and working.

Investigating the mysterious footprints of a home invader who their inventor friend believes is trying to steal his ideas, Hamster Holmes and Dr. Watt work to identify the animal responsible for the footprints before it's too late.