The product is a textbook titled “Introduction to Statistical Mediation Analysis,” written by David P. Mackinnon and published by Taylor & Francis Group in 2008. It is part of the Multivariate Applications Series and focuses on the subject areas of biostatistics, probability & statistics, and regression analysis. The book is 488 pages long and presented in trade paperback format, making it a valuable resource for students and professionals interested in statistical mediation analysis.