Older women often feel invisible, but sometimes that’s their secret weapon. They’ve spent their lives as the deadliest assassins in a clandestine international organization, but now that they’re sixty years old, four women friends can’t just retire—it’s kill or be killed in this action-packed thriller by New York Times bestselling and Edgar Award–nominated author Deanna Raybourn.

Billie, Mary Alice, Helen, and Natalie have worked for the Museum, an elite network of assassins, for forty years. Now their talents are considered old-school and no one appreciates what they have to offer in an age that relies more on technology than people skills.

When the foursome is sent on an all-expenses paid vacation to mark their retirement, they are targeted by one of their own. Only the Board, the to...

Older women often feel invisible, but sometimes that’s their secret weapon. They’ve spent their lives as the deadliest assassins in a clandestine international organization, but now that they’re sixty years old, four women friends can’t just retire—it’s kill or be killed in this action-packed thriller by New York Times bestselling and Edgar Award–nominated author Deanna Raybourn.

Billie, Mary Alice, Helen, and Natalie have worked for the Museum, an elite network of assassins, for forty years. Now their talents are considered old-school and no one appreciates what they have to offer in an age that relies more on technology than people skills.

When the foursome is sent on an all-expenses paid vacation to mark their retirement, they are targeted by one of their own. Only the Board, the to...