Charlie Adam's sister Alicia opens a boutique in River Heights. Way more people than expected show up, and the store window is smashed, and people are injured!

Nancy and her friends are eager to do some hiking and rafting while on vacation in Arches National Park in Moab, Utah, but when their tour guide mysteriously disappears, Nancy sets out to investigate.

"It began here as Nancy Drew set off to find a long-lost engine that can get 200 miles per gallon! It ends here -- in a race to win a government contract to mass-produce a new fuel-efficient car. But someone isdetermined that Nancy must lose - at any cost!"--P. [4] of cover.

A Civil War reenactment should be fun, right? Not in our town! It feels like war fever's taken over. The tension started to build when we all chose sides. Confederate and Union sympathizers never did mix. And if that wasn't enough to heat things up, someone started to secretly dig large holes in the battlefield. Pretty odd -- and very suspicious. Is someone waging a little war of their own, and trying to cheat? And if so, the bigger question is why?...

The bad news is that the animal shelter just burned down. This means a big case for Nancy Drew because she doesn't believe that it was the result of bad wiring. The good news is that Nancy Drew and her friends are working on a concert to raise funds for a new shelter.

When Nancy and her friends attend a Mardi Gras ball at a so-called haunted mansion, George brings along a digital camera to catch some ghosts in action. When freaky things start to happen, the guests begin to wonder if the ghost stories could actually be true. But when Deirdre Shannon's antique tiara is snatched, Nancy is pretty certain the crook isn't a ghost.

"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. All the clues I've found have pointed me in one direction, but is it a false trail? Before I can expose the madmen behind the mayhem, I need to be absolutely sure that...

When Nancy Drew and Ned Nickerson attempt to return a lost dog named "Togo" to its owner in the small town of Nevershare, they stumble onto a much bigger mystery--where did all the people go? The entire population of Nevershare is missing, except for one person, and she's mean and not very helpful.

Nancy's good friend, Charlie, appears to be guilty of snake-napping from the River Heights Zoo. Meanwhile, George's brother, Scott, is being very sneaky and not acting like himself. Can these things be related? Nancy is about to find out.

Nancy, George, and Bess volunteer for some work at the River Heights Animal Protection Center only to find themselves looking for escaped circus tigers.