B. M. Bower 
Trail of the White Mule 

Equal parts daring and prone to disaster, B.M. Bower’s beloved hero with a heart of gold, Casey Ryan, is at it again in The Trail of the White Mule. Whether he’s veering through traffic at high speed in the boomtown of Los Angeles or pursuing bootleggers in the country, Ryan always seems to find himself in the middle of a maelstrom.