Nancy sets off to find a long-lost engine that gets 200 miles to the gallon. The problem arises when they encounter a ghost that guards the machine.

Everyone in town is dressing up like it's 1930, but the fun is interrupted when the dolls in Emma Blavatsky's antique dollhouse start depicting strange crimes that soon come true in real life! But when Nancy stakes out the dollhouse, she witnesses a doll version of herself murdered!

Nancy's friend Sydney, a model, is getting married to a reality-show star, but someone is trying to ruin the wedding and Nancy must uncover the culprit.

Nancy Drew finds herself in the 1930s, solving a crime that occurred during the Great Depression.

Nancy Drew investigates when a middle school girl becomes the target of bullies in an online virtual world.

Nancy Drew and her friends investigate when they are followed by a mysterious couple in San Francisco. Later, their investigation leads them to Hawaii.

Nancy, Ned, and George attend the show of a magician named Dan, in which he makes his assistant disappear, and Nancy investigates when the girl fails to reappear.

My online sleuthing has led my friends and me down the Internet rabbit hole. After joining BetterLife, an online community, to try to stop a case of cyberbullying from the inside, the bullies turned on me. And now I'm close to revealing their true identities in real, off-line life. Before I can expose the madmen behind the mayhem, I need to be absolutely sure that they're the ones wreaking havoc all over BetterLife. But how can I be sure when nothing...