Phineas and Ferb Wiki
Phineas and Ferb Wiki
This article is written from the Real World Perspective.

How to Conquer the Tri-State Area is a book released on December 7, 2010, published by Disney Press.

Publisher's Summaries

Title Description

Join Dr. Doofenshmirtz in this hilarious chapter book packed with cool illustrations, crazy plots, wacky ideas, and devious diagrams, and find out how he plans to conquer the Tri-State Area and finally defeat Agent P!

Back Cover Summary

Enter the world of Dr. Doofenshmirtz as he reveals his crazy plots, wacky ideas, and outrageous inventions! Learn how the doctor built some of his evil creations (like the Hot Dog Revenge-inator!), opened up a school for budding scientists, plus other ideas he has for trying to defeat his ultimate enemy Perry the Platypus!

Book Details

Most of this book features Doofenshmirtz's most diabolical plans from Season 1 to the middle of Season 2. Some pages show the "Family Tree" for Doofenshmirtz, the ingredients for "Making a Doofwich!" and other extra activities.


Background information

  • Prior to its release, this book was marketed as Dr. Doofenshmirtz's Guide to Conquering the Tri-State Area.
  • Somehow, Doofenshmirtz knew about the gelatin monster terrorizing Phineas, Ferb, Candace, and their friends.
  • Whilst the book is credited to Heinz Doofenshmirtz, it was actually ghostwritten by Ellie O' Ryan.

External links