While helping raise money for a Brooklyn park, Nancy must track down the kidnapper who has abducted a performing band’s lead singer—and discovers a hidden motive buried deep in the city’s past.

A cunning thief is desperate to wreck the opening of a historic landmark -- and Nancy is his target! On Gramercy Park in New York City, the magnificent Van Hoogstraten mansion with its priceless collection of glass birds is about to open to the public. Nancy, Bess, and George are invited, but a series of sinister events puts everything in chaos. When the centerpiece of the collection, a beautiful crystal bird, is stolen, Nancy gets on the case. From family members with motives to keep the house, to an antiques dealer with a personal grudge, suspects abound. And when Nancy goes to the family's abandoned camp in the Adirondack forest, she zeroes in on the truth. In a violent nighttime thunderstorm on a solitary lake, Nancy confronts the culprit. The case is solved -- if she can get to shore alive!

In a town as pretty as a picture postcard, Nancy seeks the key to a picture-perfect crime! Nancy has come to White Falls, Massachusetts, to visit her former neighbor, Vera Alexander. The town is rich in history, and Vera wants to preserve a piece of its past. But her plan to convert the old Caulder Cutlery factory into a museum turns suddenly ominous when someone threatens her life. Why was Vera's antique trunk stolen? What dark secrets has she unwittingly disturbed? The answers are hidden in the past. Fifty years ago the owner of Caulder Cutlery was killed by his own knife -- and Nancy knows that before she can solve the present-day case, she must first uncover the haunting truth behind an old-fashioned murder.

Traveling to the site of a commercial shoot, where her model friend Cindy will star, Nancy is alarmed by Cindy’s disappearance and launches an investigation that takes her into the shady side of teen fashion.

A SEARCH FOR A MISSING HORSE LEADS NANCY TO A DARK DISCOVERY! Nancy's attending the Midwest Grand Prix Dressage Championships, where many of the world's best riders and finest horses compete. But more than blue ribbons is at stake. As Nancy quickly learns, these horses generate big money, turning a friendly competition into a very nasty business. Discovering a fire in the stables, Nancy barely averts a terrible tragedy. But now she faces a new danger: a valuable horse has vanished, and it's up to Nancy to save it. She pursues the truth down a trail of greed, deception, and sinister secrets...only to find herself in jeopardy!

Riding uphill is hard—but going down can send you over the edge! Nancy, Bass, and George are all geared up for a bike tour in Ireland. They’re looking forward to spectacular scenery, romantic ruins, local entertainment, and, at the end of the day, cozy inns to welcome them. But it isn’t long before the three friends realize that they’re riding with danger. From the moment they arrive at the airport, someone seems to be targeting the tour members, especially the two teen sisters from Australia. Even worse, not all the cyclists are what they appear to be. As the group bikes along sheep-filled roads and steep seaside cliffs, the menace mounts. Nancy knows that if she makes one wrong turn she’ll be on a detour to disaster!

When rival candidates for president of the IFC at Emerson College accuse each other of smearing the campaign with dirty tricks, Nancy must uncover the clues.

"Nancy uncovers intrigue on the internet and the password is danger"--Cover.

CIRCUMSTANTIAL EVIDENCE DOESN'T PROVE THE IDENTITY OF CRAFTY THIEVES! Nancy's friend Bess has been hired by Special Effects, a River Heights company, to decorate Albemarle's department store for the holidays. When Bess discovers that her friend Ali Marie is now working at the store, she's thrilled -- the two of them can have lunch and try on clothes for fun! But when some dresses are swiped, Ali is accused of stealing, and the party's over. Sure of her friend's innocence, Bess calls in Nancy to help find the real thief. With all the suspects and misleading clues, Nancy and her friends are running in circles -- and the holiday shopping rush isn't helping! Can they figure out the identity of a clothes-hungry kleptomaniac before the holiday season turns sour?

Nancy, Bess, and George are on Maui to check out a major international surfing competition. But there’s trouble in paradise—big money is at stake in the contest, and someone’s playing a dirty game.