This is an excellent resource. Many people are familiar with LEEWS, or at least the success of the LEEWS program. Simply put, LEEWS is formulaic and easy to use. Delaney's book is for lawyers who want to go from merely formulaic to actually great legal reasoners.
Because of the strong emphasis on issue writing, this book also helped me out tremendously on my memo writing.
This book also has a chapter devoted to different ways to outline your class notes based on your learning style in a way that will help you on the exam.