The brand-new edition of Barron"s Let"s Review U.S. History and Government, designed as a supplementary textbook for New York State high school students taking the Regents exam, can be purchased as part of a two-book set with Barron"s U.S. History and Government Regents Exams and Answers. The Power Pack represents a savings of $2.99 when compared to the prices of the books purchased separately.