If you were born on Saturday, March 07, 1942 then I Will Survive by Gloria Gaynor was the number one on your 37th birthday, and went to number one on March 04, 1979. Check the price of I Will Survive by Gloria Gaynor on Amazon.com
The biggest selling book of 1979 (the year you turned 37) was The Matarese Circle by Robert Ludlum.