Introduction to Mediation, Moderation, and Conditional Process Analysis describes the foundation of mediation and moderation analysis as well as their analytical integration in the form of « conditional process analysis », with a focus onPROCESS version 3 for SPSS and SAS (#processmacro) as the tool for implementing the methods discussed. Available as both an e-book and in print form, it is published by TheGuilford Press in their Methodology in the Social Sciences series.
Download V3.0 is available here: http://www.processmacro.org/download.html