Kersten Hamilton is the author of several picture books and novels. She splits her time between her home in Albuquerque, New Mexico, and her farm in Kentucky. Visit her website at .
James Hamilton is an artist and designer who lives in San Mateo, California.

Praise for the Gadgets and Gears series: ';Fast paced and funny . . . carries hints of both Lemony Snicket's wordplay and the absurdity of M. T. Anderson's Pals in Peril.'Booklist Wally and Noodles are back to the business of scientific innovationand fun. In London, they meet a young pickpocket named Dobbin who works for a mysterious criminal called the Tick-Tock Man. Soon they are racing through secret tunnels in a bid to help Dobbin's little sister. Can the brave boy-scientist and his loyal sidekick find the one person who can save her before it's too late? History and technology collide in this humorous series brimming with mad science.