About the Authors

Mark Zegarelli is the author of Logic For Dummies (Wiley) plus three For Dummies books on pre-algebra and Calculus II. He holds degrees in both English and math from Rutgers University. Mark lives in Long Branch, New Jersey, and San Francisco, California.

Krista Fanning writes and edits textbooks and supplementary materials for several publishing houses. As a former elementary school teacher, she has a passion for education and details. In her publishing career, she has been involved in the production of over 50 titles. She enjoys spending time with her family and stalking her local library for the newest mysteries and thrillers.

Publisher’s Acknowledgments

Senior Project Editor: Tim Gallan

Acquisitions Editor: Lindsay Lefevere

Senior Copy Editor: Danielle Voirol

Technical Reviewers: David Herzog, Amy Nicklin

Production Editor: Magesh Elangovan

Cover Image: © DNY59/Getty Images