The product is a textbook titled "Statistical Analysis of Cost-Effectiveness Data" by Andrew R. Willan. It falls under the subject areas of Business & Economics and Mathematics, specifically focusing on the analysis of cost-effectiveness data. The book is part of the Statistics in Practice Ser. published by Wiley & Sons, Incorporated, John in 2006. With 212 pages and written in English, the textbook covers topics in probability & statistics/general as well as accounting/managerial, making it a valuable resource for students and professionals interested in cost-effectiveness analysis.