Fans of Poorly Drawn Lines, Liz Climo, Randall Munroe, and The Oatmeal will love this riotous collection marking the return of optimistic Heart and analytical Brain with over 60 brand-new, never-before-seen comics. Vigorously demanded and highly anticipated, Heart and Brain: Gut Instincts is the follow-up to the tremendously popular New York Times bestseller, Heart and…