The book of Doof : how to find an arch nemesis and other evil advice (Phineas and Ferb)
by Peterson, Scott, 1968- (Author)
Summary
A guide to being evil in accordance with the style of Dr. Doofenshmirtz counsels readers on everything from selecting a nemesis to getting over evil inventor's block, in a storybook complemented by Doof back stories and comic inserts. Full description