Written by Jan Williams. This soft-cover booklet is filled with columnar paper for each problem and comprehensive problem in the textbook. Checkpoints are included to ensure students that they are on the right track.

Working Papers provide students with formatted templates to aid them in doing homework assignments.

This soft-cover booklet is filled with columnar paper for each Problem in the textbook. Students encounter Checkpoints throughout the working papers to ensure they are on the right track

The Study Guide, written by the text authors, provides chapter summaries, detailed illustrations, and a wide variety of self-study questions, exercises, and multiple-choice problems (with solutions).