Not sure but you may be talking about this:
Play Pool Like a Pro Series
Train, Score, Get Ranked Like a Pro.
IPAT
International Playing Ability Test. A three-DVD set featuring World Champion Thorsten Hohmann plus companion workbooks. Pool Training for Beginners, Advanced Players and Prosâ„¢. A hit in Europe, and now available in the U.S. and Canada!
Developed by and also featuring European coach Ralph G. Eckert and Germany’s head coach Andreas Huber. Workbooks authored by Eckert, Huber, and Jorgen Sandman, Norwegian and Austrian head coach.
Officially Endorsed by The World Pool-Billiard Association
Used and recommended by The European Pocket Billiard Federation
LEVEL 1 DVD : For beginners, as well as for enthusiasts whose progress has stalled. Learn the basics, such as aiming, improving the quality of your stroke (draw shots and follow shots), big position playing, and more.
LEVEL 1 Companion Workbook : This workbook for beginners includes 10 drills, exercises for basic strokes, and training games – and you can record your personal performances. Because of WPA’s endorsement of PAT, national and international comparisons of anyone’s skills are only now possible, since everyone is taking the same tests. This workbook lies flat when open, for use at a pool table.
LEVEL 2 DVD : For advanced players, a challenging training program to bring your basic skills to a higher level. Including speed drill, frozen rail drill, 9-Ball situation, and more.
LEVEL 2 Companion Workbook : This workbook for advanced players includes 10 advanced drills, as well as exercises (such as for 9-Ball) and intermediate-to-advanced workouts. IPAT is a system to develop and assess the skills that one needs to play pool at a high level. This workbook lies flat when open, for use at a pool table.
LEVEL 3 DVD : For expert players, and anyone interested in the fine details of world-class technique. Features stroke straightness, bankshot drill and many more techniques. FREE Bonus Audio CD includes a discussion of the psychology of pool, and an interview with World Champion Thorsten Hohmann.
LEVEL 3 Companion Workbook : This workbook for expert players, and for anyone interested in the fine details of world-class technique, includes 10 drills, exercises for advanced players, and high-level training games – all of which can help you compare your playing levels against others. The IPAT system is an excellent way for serious pool players to plan short-, mid- and long-term training programs. This workbook lies flat when open, for use at a pool table.
You can find it in some of the on line billiard stores, if this is what you were talking about. Good Luck