If you were born on Tuesday, July 07, 1942 then I'll Be Missing You by Puff Daddy and Faith Evans feat. 112 was the number one on your 55th birthday, and went to number one on June 08, 1997. Check the price of I'll Be Missing You by Puff Daddy and Faith Evans feat. 112 on Amazon.com
The biggest selling book of 1997 (the year you turned 55) was The Partner by John Grisham.