Cast a Yellow Shadow — Ross Thomas

A classic mystery featuring Padillo and Mac, from the award-winning author of Ah, Treachery! McCorkle returns from Germany to Washington, D.C., with a beautiful wife, intending to live a quiet life as a saloon keeper in a classy neighborhood. But when his old friend Mike padillo is stabbed, his wife is kidnapped, and various assassination plots and double agents surface, McCorkle and Padillo set off to save the day.