Tracing their ancestry to a small Dublin town while honeymooning in Ireland, newlyweds Regan and Jack Reilly learn disturbing information about their families, a discovery with which they are aided by Jack's colleagues at the Major Case Squad.

"Regan's old schoolmate is producting a reality TV show, "Love Above Sea Level." Three couples are vying for a million-dollar prize to be awarded while aloft a hot air balloon shaped like a wedding cake at the Albuquerque Balloon Fiesta. But a sneaky saboteur is threatening to ruin everything. After a series of strange and potentially dangerous events, he calls in Regan to stop the mayhem...." --From jacket.

Alvirah Meehan, lottery winner turned amateur sleuth, and private investigator Regan Reilly are guests, along with their spouses, on the "Santa Cruise." The cruise is a gift from Commodore Randolph Weed to a select group that "has made the world a better place." His largesse is prompted by the desire to create a buzz about his new cruise ship, theRoyal Mermaid, as she sets out on her maiden voyage.

"Three days before Christmas, Regan Reilly, the dynamic young sleuth featured in the novels of Carol Higgins Clark, accidentally meets Alvirah Meehan, Mary Higgins Clark's famous lottery winner and amateur detective, at a New Jersey dentist's office. That's where it all begins. While Regan's mother, Nora, the famous mystery writer, is in the hospital with a broken leg, her husband, Luke, and his chauffeur, Rosita, are kidnapped and held for a million-dollar...

When Regan Reilly and her husband Jack join his siblings at his parents' vacation home on Cape Cod, it turns out to be anything but a relaxing time.

It's Christmas week in Aspen, and the beautiful are out party by day on the magnificent slopes of Aspen, by night at whatever exclusive holiday fate is on tap. Among the revelers is Regan Reilly, a bright young private investigator who has come from L.A. to ski and celebrate with her parents and their rich Aspen friends. It ends up being a busman's holiday for Regan, who gets swept up in art theft intrigue after some multimillion-dollar paintings...

Returning home from their honeymoon to discover that their neighbor has put his Manhattan apartment up for sale, Regan Reilly and her husband Jack decide to buy it to enlarge their own loft, but the renovation process spawns its own set of problems and an unexpected case.

"Lottery-winner-turned-amateur-sleuth Alvirah Meehan rejoins P.I. Regan Reilly to solve a Christmas mystery. Last time, they rescued Regan's kidnapped father in Deck the Halls. This time they're involved in a dangerous case involving an 80-foot Blue Spruce and a hidden fortune of jewels. Alvirah and Regan know this tree has been chosen to spend the holidays as Rockefeller Center's Christmas tree. But just before the tree is sent to New York City,...

Los Angeles private detective Regan Reilly, hired to find Whitney, a young woman whose presence at the wedding of her very wealthy ninety-three-year-old Great Aunt Lucretia is the key to her family receiving an inheritance of eight million dollars, unwittingly becomes caught up in a plot by Lucretia's con man fiancee to keep Whitney away.