Earn by promoting books
Earn money by sharing your favorite books through our Affiliate program.Become an affiliate
About the Author
Craig Criddle is a professor of environmental engineering and science at Stanford University and has written numerous scientific papers.
Larry Gonick has been creating comics that explain math, history, science, and other big subjects for more than forty years. 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, and he is currently staff cartoonist for Muse magazine. He lives in San Francisco, California.