The classic Do-It-Yourself (D-I-Y)
Yardage Booklet. Record a full
18 holes of layouts, yardages,  
hazards and strategy notes. 
Also map out greens with
complete slope information.



You can accurately diagram the shape and the slope of each green. This really helps keep you on the "right side of the pin." There is also a section for strategy, aiming points, etc on each hole.