Mrs. Pollifax And The Golden Triangle by Dorothy Gilman

In this thrilling espionage adventure, the ever-resourceful Mrs. Pollifax embarks on a mission to Thailand with her husband, Cyrus, for what is supposed to be a relaxing vacation. However, their plans take a dramatic turn when they are unexpectedly drawn into a dangerous world of drug smuggling and political intrigue. As they navigate the perilous Golden Triangle, Mrs. Pollifax's wit, charm, and unyielding determination are put to the test as she unravels a complex web of deceit and betrayal, proving once again that even the most unlikely of spies can outwit the most cunning adversaries.