Nancy investigates two cases at the same time: one involving the theft of a Fabergé egg and the other involving the vandalism of gardens.

Nancy investigates when she stars in a movie which is being mysteriously sabotaged.

Nancy is held hostage and it's up to Bess and George to save the day...and their friend! What started out as a simple undercover mission at a beauty pageant in New York City has turned into complete chaos! The pageant's sponsor, Pretty Face Cosmetics, knows that Nancy has uncovered a big secret about their product, and now she's in serious trouble. They want to keep her quiet - no matter what it takes.

Malibu Mayhem follows Nancy Drew back to River Heights in this conclusion to the latest mystery arc! After an unforgettable vacation on the exclusive beaches of California, Nancy, Bess, and George are glad to be back in down-to-earth River Heights. But just as they're settling into a boring summer routine, Malibu excitement follows them home: the superstar Casabian Sisters show up, convinced River Heights is the perfect setting for their newest reality...

Will Nancy find the culprit, or will it be curtains for our heroine? A movie is being filmed in River Heights, and Nancy gets cast as the lead's stand-in. But word gets out that on the director's last film a stand-in was killed when a planned explosion went off prematurely, and this is the director's last chance at a comeback. It soon becomes clear someone is trying to sabotage the movie.

This beginning of a brand-new trilogy follows Nancy's adventures at a creepy carnival. Nancy needs to find out who is writing the gossipy Burn Book Blog and, later, passing along threatening notes to popular girl Lexi Claremont. To do so, she must go undercover as one of the in-crowd, working the fro-yo stand at the town carnival. True to her sleuthing abilities, Nancy manages to solve this first mystery-but uncovers more trouble while she's at it....

Nancy, Bess, and George are spending a month at a fabulous California beach house where they discover illegal dumping of trash, reality-television stars next door, and a possible cult.

Frank and Joe Hardy are sent to investigate a string of thefts at an eco-resort in paradise and sense that there is something sinister going on--a suspicion that is heightened when they discover Nancy Drew and her friends are guests at the hotel.

Aunt Estelle, Bess, George, and Nancy travel to Italy and find a mystery to solve, while Joe and Frank also go to Rome and get involved in a mystery concerning the ancient ruins.

Nancy must find a missing document which can prevent Evaline Waters' property from being seized by a corporation which wants to build a warehouse on in it.