LARRY GONICK has been creating comics that explain math, history, science, and other big subjects for more than forty years. His Cartoon Guide series has enjoyed immense success. He has been a calculus instructor at Harvard (where he earned his BA and MA in mathematics) and a Knight Science Journalism Fellow at MIT. He was staff cartoonist for Muse magazine. Larry Gonick's books have sold millions of copies worldwide and have been translated into more than twenty-five languages. He lives in San Francisco, California.Ben Ho is a professor of economics at Vassar College and author of the book Why Trust Matters: An Economist's Guide to the Ties that Bind Us. Ho applies behavioral economics, game theory, and experiments to tackle topics like apologies, identity, inequality, and climate change. His research has appeared in outlets like Management Science and Nature: Human Behavior. Ho holds seven degrees from Stanford and MIT in economics, education, political science, math, computer science, and electrical engineering.