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 innovation—and 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.