This detail page shows Rex Stout: A Majesty's Life by John McAleer, a good friend of Rex Stout.  This is an updated version of the 1977 Rex Stout: A Biography.

Rex Stout: A Majesty's Life (2002):

• The price ($44.95) is on the back of the dustjacket.
• The copy right page clearly states "Millenial Edition 2002".