HOW to SOLVE PROBLEMS in first-year college chemistry. Modules 28-39, 440 pages. Includes Equilibrium, pH, Weak Acids and Bases, Buffers, Thermodynamics, Electrochemistry, Nuclear Chemistry. This is the bookstore edition printed on heavier 60 lb. paper. February 2012 edition. ISBN 97809823931-9-2 Reviews at www.ChemReview.NET