General information on Golden Age writers:
http://mikegrost.com/classics.htm (main page)
http://mikegrost.com/vandine.htm
http://mikegrost.com/coles.htm
http://mikegrost.com/carr.htm
http://mikegrost.com/chris1.htm
http://mikegrost.com/queen1.htm
BTW, there was an Ellery Queen TV series in the 70s; it was recently released on DVD. Only one episode (The Mad Tea Party) was actually based on a real EQ story, though; another episode (Too Many Suspects) was based on a novel ghostwritten under the Queen byline.