Analytic Geometry, One Unit Series,
Brooks/Cole, Pacific Grove, 1991, 110 pages, $24.95.

Reviews the analytic geometry a person will need at the beginning of a calculus course. The material in this book can be used as a supplement to a trigonometry course, or as a reference in a calculus course, or as the basis for a short (one unit) course.

Geometry, One Unit Series,
Brooks/Cole, Pacific Grove, 1991, 80 pages, $24.95.

Although many courses in the college curriculum do not require a complete course in geometry, they do require a knowledge of several geometrical concepts and of the associated terminology which is covered in this text.

Problem Solving, One Unit Series,
Brooks/Cole, Pacific Grove, 1991, 98 pages, $24.95.

One of the goals of mathematics is to enable people to comprehend and analyze real-world situations and to respond in a way that will achieve some desired goal, such as increasing profits, minimizing risk, or simply continuing to function intelligently and to make wise decisions by considering alternatives. The problems in this book are directed at developing the students' skills not only in using algorithms, but in interpreting the results of those mathematical procedures.

Introduction to Symbolic Logic,
Pacific Grove, 1974, 119 pages, $21.95.

This book can be used as a supplementary text in a wide variety of courses. In addition, this material can be studied independently; for this reason the answers to all the problems are provided in the Appendix.

Introduction to Symbolic Logic, 2nd Edition, One Unit Series,
Brooks/Cole, Pacific Grove, 1991, 96 pages, $24.95

This book provides a foundation for evaluating logical arguments (not only in a formal statement) proof context in mathematics, but also in everyday discussions. Examples are taken from mathematics, newspapers, radio and television commercials, and other contemporary sources are included. Also available in Spanish.