From "the most popular mystery writer alive" (The New York Times), the twenty-seventh thrilling entry in the #1 New York Times bestselling series isn't just the biggest case of Stephanie Plum's career. It's the adventure of a lifetime.
When Stephanie's beloved Grandma Mazur's new husband died on their wedding night, the only thing he left her was a beat-up old easy chair...and the keys to a life-changing fortune.

But...

When lonely, ten-year-old Hal learns that his wealthy but neglectful parents only rented Fleck, the dog he always wanted, he and new friend Pippa take Fleck and four other dogs from the rental agency on a trek from London to Scotland, where Hal's grandparents live.

Publisher Annotation: Big Bill the dollar loves his one-derful life of tippin’, payin’, and donatin’ at restaurants, farmers markets, and collection jars...until Hundred pays a visit, telling tales of large bills living in the lap of luxury. Then Bill’s dreams turn to mega mansions, fancy cars, and superstars. With the magical help of his friend Penny, Bill’s wish for wealth comes true. Suddenly he’s a ten thousand dollar bill――one...

The discovery of a packet of old letters sends seventeen-year-old Abby Schoenberg to Nantucket to unravel a family mystery about her grandmother's past, but things get complicated when Abby meets the cute grandson of a prominent family who wants to stop her from investigating.