Tim Kehoe is the inventor of numerous toy products, including the world's first colored bubbles, called Zubbles, and he was recently named one of America's 100 Best by Reader's Digest. In 2005, Zubbles was awarded Popular Science's Grand Prize for Innovation. The Unusual Mind of Vincent Shadow was Tim's debut children's book. He lives with his wife and five children in Minnesota. Visit him online at www.timkehoe.com.