Earl W. Swokowski authored multiple editions of numerous successful textbooks, including *Calculus*; *Calculus of a Single Variable*; *Fundamentals of College Algebra*; and *Precalculus: Functions and Graphs, all published by Cengage Learning Brooks/Cole*. His coauthor on numerous textbooks was Jeffery A. Cole of Anoka-Ramsey Community College. Source: [About the Author](https://www.amazon.com/Algebra-Trigonometry-Analytic-Geometry-College/dp/0840068522)