The CD is more economical for me including post to Australia so this would be my first choice as you can make them with a security code to stop unautherised copying. 2 volumn hard cover books would be my second choice and whether I purchase them or not depends on a final price including post.
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Cheers
Cliff Hutchings
aka MrRoo S.I.R.
"and on the 8th day he made trucks so that man, made on the 7th day, had shelter when woman threw him out for the night"
MrRoo says "TRUCKS ROOLE"