Happy birthday Wheelie! Those Time-Life photography books are classic. They were the unofficial documents of the photography mania of the 70's when SLR's came into their own and there even was a regular photography column in the Sunday New York Times. We still have a set, and I revisit them from time to time.
Anyway....and again....Happy Birthday! You've still got a bit more than a decade to go and still be 'middle aged' which sure beats the shock I got last October when I hit 60. You can tease middle age out through the very last day of your 59th year, but then you're just plain old! hehehe....(time for senior discounts...goody, goody!)