On courses I play often I take a few hours and walk it with my yardpro 400 and make my own yardage book. The yardpro isn't expensive (especially if you buy it off e-bay - I paid $105.00).

Trust me, knowing I know how far I am from a point or how deep the green is or how long the carry over water is makes playing a golf shot a whole lot easier.

I keep all the yardage books I make in case I need them again.

On Tour, we used to do it on Tuesday (which is normally the 1st practice day). We shared the load between 4 or 5 of us and it was done in about 2 hours.

If you're serious about the game, I really recommend you invest in a yardpro400 and spend a few hours walking the course doing a yardage book for yourself. I'm happy to scan and post a copy of what I do for a sample golf hole.

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Golf is easy ... once you know how.
Graham Arnott, teaching professional
Kelrosa Golf Studios
www.kelrosagolf.com
Class 'A' PGA Member
Full Member: World Golf Teachers Federation (GB&I)