When competition for lucrative prizes ranging from money to placement on the Olympic Team escalates to the point where one desperate participant drugs horses at the River Heights Horse Show, Nancy, Bess, and George track clues to identify the culprit.

"Nancy's Alaskan adventure continues as she, Bess, and George disembark the mystery-plagued Arctic Star cruise ship and explore the grand sites of the forty-ninth state: Skagway; the Yukon territory, and Denali National Park. It's spectacular scenery, but things start to go wrong almost immediately, leading Nancy to believe that whoever was behind the unsolved mayhem aboard the ship has followed them onto dry land. The girl detectives had better watch...

Nancy goes undercover at the exclusive Green Club when George's cousin, a candidate for city council, is targeted by a mysterious saboteur who threatens the plans to build a new sports complex.

People at Black Creek are getting very sick from fresh fruits and vegetables crawling with deadly bacteria and Nancy is going to find out who is responsible for sabotaging the Heyworth's farm.

Nancy's friend Maggie gets a star role in the dance Sleeping beauty. Someone is intent on ending Maggie's career. Will Nancy be able to solve the case?

"Nancy and her friends find themselves at a haunted inn with a mystery to solve in this thirteenth book of the Nancy Drew Diaries, a fresh approach to the classic mystery series. When Nancy and Bess accompany George to a cousin's wedding in historic Charleston, South Carolina, they end up staying at an old inn near the family's home with the rest of the guests. But when they begin hearing strange noises and witnessing unexplained phenomena at night,...

It felt like only minutes had passed when I woke up with a start. I glanced over at the digital clock I had placed on the nightstand; it read 3:19 a.m. I had been fast asleep for hours — what had woken me up? I raised my head to look around the room, and my heart leaped into my throat.
There, standing at the foot of my bed, was a figure, looming in the darkness.

"Nancy and her friends only have a few hours to track down the donations for a charity gala that have mysteriously gone missing"--Publisher.

Nancy finds herself a Christmas mystery in this super special eighteenth book of the Nancy Drew Diaries series, a fresh approach to the classic mystery series.
Nancy Drew's dad surprises her with a trip to a beautiful New England ski resort for Christmas break. Nancy is so excited. What could be better than a whole week of skiing and five-star dining?
But no vacation can go smoothly when Nancy is involved. On her very first run down the...

While investigating a case of sabotage at a dog show, Nancy and her friends are drawn into an undercover international operation in pursuit of a jewel smuggler.