Please Find the Updated Edition of this book for the 5th Edition Task List.It should be just below this on Amazon. This practical guide grew out of author Bret Kernoff's own experience in preparing for the BCBA certification exam. After pursuing certification in applied behavior analysis, he recognized the tremendous value of a study guide designed to give applicants insight into the science of applied behavior analysis. This guide is directly aligned with the BACB 4th Edition Task List. Based on study guides he created in preparation for his certification exam, this book provides the foundational science of applied behavior analysis as well as specific examples applicants can use to help learn how to pass the certification exam.This 2nd edition is identical to 1st edition except for the title. This new title complies with BACB standards.Also published by Bret Kernoff, Med, CAGS, BCBA is the "Teacher's Guide to Applied Behavior Analysis." This text is written in plain english using many classroom examples to explain to science of ABA!