Danger Mouse is the world's best secret agent. He's the greatest. He's fantastic.Then there's Penfold. He's . . . well, he's not much to look at, but he's got a book deal, so that's something.This hair-raising chapter book is Penfold's own account of one of Danger Mouse's most perilous missions. Featuring the villainous Baron Greenback and his second-rate sidekicks, this hilarious adventure is filled with mishaps, mayhem and, most of all, DANGER.