Paperback. Pub Date: 2008 07 Pages: 235 Publisher: ASPEN After your casebook. The of Casenote Legal. iefs will be your most important reference source for the entire semester. It is the most popular legal iefs series available with over 140. the titles and is relied on by thousands of students for its expert case summaries. comprehensive analysis of concurrences and dissents. as well as of the majority opinion in the iefs.