Class is in session in these three old time radio mysteries set in and around schools. First, Howard Duff stars as Sam Spade in "The Queen Bee Caper" (originally aired on CBS on July 10, 1949). Then, Edmond O'Brien is "the man with the action-packed expense account" in "The Story of the Big Red Schoolhouse" from Yours Truly, Johnny Dollar (originally aired on CBS on April 4, 1950). And finally, Vincent Price is The Saint in "Miss Godby's School for Girls" (originally aired on NBC on November 5, 1950).