A Training Guide for the NASAA Series 66 Exam This remarkable book gives you exactly what you need to pass the Series 66! This must-have resource, 416 pages long, guides you through the intricacies of the Series 66 exam. The book takes the exam apart piece by piece, and explains terms and concepts with a sense of humor and ease not found in other exam guides. Learn, step-by-step, how not to be misled by the questions.