Why Grizzly Bears Should Wear Underpants is the second variety comic collection and fourth book from the comedic mastermind behind TheOatmeal.com, Matthew Inman. Classics from the website, including “Dear Sriracha Rooster Sauce,” “What It Means When You Say Literally,” and “What We Should Have Been Taught in Our Senior Year of High School,” are featured alongside never-before-seen works of epic hilarity that will delight veteran and newbie Oatmeal fans alike.