Series Killers of a Certain Age

This is the second book in the Killers of a Certain Age series. It follows four senior women assassins—Billie, Helen, Mary Alice, and Natalie—who are called back into action after a year of retirement. They face a new nemesis, an Eastern European gangster, while uncovering a mole within their organization, the Museum. The story is a thrilling mix of humor, suspense, and action.