If you are studying for the American Board of Radiology certification exam this is a fun way to do some of your studying. Volume 2 is chock full of practical tips and humor that will help you work through some of the questions you encounter on the test. Volume 2 is useful as a reminder of basic physics every radiologist uses daily. There are some typos and some inconsistencies that make it a fun read because if you can pick out the mistakes and know the correct answers then you are probably ready for the test. Since the book is written under a pseudonym, half the fun is guessing if you know the author!