The Areas of My Expertise is a 2005 American satirical almanac by John Hodgman. It is written in the form of absurd historical stories, complex charts and graphs, and fake newspaper columns. Among its sections are a list of 700 different hobo names and complete descriptions of "all 51" US states. The full title of the book is:An Almanac of Complete World Knowledge Compiled with Instructive Annotation and Arranged in Useful Order by myself, John Hodgman, a Professional Writer, in The Areas of My Expertise, which Include: Matters Historical, Matters Literary, Matters Cryptozoological, Hobo Matters, Food, Drink & Cheese, Squirrels & Lobsters & Eels, Haircuts, Utopia, What Will Happen in the Future, and Most Other Subjects

John Kellogg Hodgman is an American author, actor, and humorist. In addition to his published written works, such as The Areas of My Expertise, More Information Than You Require, and That Is All, he is known for his personification of a PC in contrast to Justin Long's personification of a Mac in Apple's "Get a Mac" advertising campaign, and for his work as a contributor on Comedy Central's The Daily Show with Jon Stewart.