The Ace Of Knaves
Collection of 3 novellas:
1) The Spanish War - The debt was only £ but it led to an adventure worth $30,000 in bearer bonds as well as at least one dead.
2) The Unlicensed Victuallers - Simon Templar is working with his friends to take down a liquor-smuggling gang but that get complicated by a beautiful blonde.
3) The Beauty Specialist - The 'Z-Man' is a vicious blackmailer and the Saint is suspected of being him.