The GRE subject tests are among the most difficult standardized exams. Rather than testing general problem-solving skills, they require highly specialized knowledge. The experts at The Princeton Review have thoroughly research each subject test to provide students with the most thorough, up-to-date information available. Students don't need to relearn the entire histories of their fields--just what they need to know to earn high scores on the exams. Each guide includes one full-length practice exam, complete with comprehensive explanations for every solution.Leduc, Steven A. is the author of 'Cracking The Gre Math Subject Test ', published 2005 under ISBN 9780375764912 and ISBN 0375764917.