Catch The Saint
Leslie Charteris, Fleming Lee
Collection of 2 short stories written by Norman Worker and adapted by Lee Fleming. Both stories take place just before WWII:
1) The Masterpiece Merchant - Simon Templar has fun taking on an art swindler but the case turns out to be much bigger than he thought.
2) The Adoring Socialite - A woman madly in love with the Saint helps him when he accidentally messes up an undercover policeman's cover and must do his best to keep the man alive.