Whoa, baby! When a neighbor hires Nancy, Bess, and George to take care of her eighteen-month-old identical twins, the girls are happy to help. After all, the Clue Crew has stopped would-be thieves, uncovered scams, and recovered stolen objects -- how hard can watching a couple of babies be? But being a mother's helper is trickier than they thought, especially when the twins' toys start disappearing. Can the Clue Crew look after the babies and figure out who's taking the toys, or are they in too far over their heads this time?

Something is strange about Freddie Figg's babysitter - they don't usually bring a balaclava... It starts out like a normal night for Freddie. His parents are heading out and they've got a babysitter coming in. But Freddie knows there's something a little off about this little old lady - and it's not just her moustache. Can Freddie convince his parents of the threat "she" poses, and can he save his home from being burgled?

Get ready for a Stars and Stripes surprise! When Mr. C tells the class they’ll be learning about Betsy Ross, Abigail is confused. What could the “what-if” question be? Turns out that no one knows for sure if Betsy Ross sewed the first American flag! But whether she did or not, the kids have a job to do—Babs Magee is up to her old tricks and plans to take credit for sewing the flag. Abigail and the boys see this as their chance not only to stop Babs, but also to set history straight. But once they start trying to figure out the truth, what they discover surprises them all...

Nancy and her friends must get to the bottom of a ladybug invasion that has interrupted the grand opening of a cupcake cafe.

In this Nancy Drew and the Clew Crew adventure, Nancy and her friends must track down a beautiful—and very rare—butterfly when it goes missing from the new butterfly museum. Nancy, Bess, and George can’t wait to check out Flutter House, an awesome new museum that’s all about butterflies! The girls are thrilled when they get to see the beautiful creatures up close and personal. But soon after their class leaves, the rarest butterfly, a Blue Morpho, goes missing! It’s up to the Clue Crew to get the valuable butterfly back safely. But with a long suspect list and not many clues, it’s going to be a tough case for Nancy and her friends.

Nancy Drew and the Clue Crew need to discover who’s tricking their taste buds! Nancy, Bess, and George are excited to be spending some of their summer at Kid Kuisine, a cooking camp where they are going to learn how to make delicious treats from Chef Giorgio. At the end of the camp, they will be cooking for their families—and someone will win Best Chef! But after a few days, it’s clear that one of their fellow campers is not as excited as they are. From salty brownies to super-spicy pizza, things are not as yummy as they should be: Someone is sabotaging the food. Could it be the stuck-up Jeremy, who is intent on winning Best Chef? Or the chef’s assistant, who might have hidden motives of her own? It’s up to the Clue Crew to figure out who’s ruining the recipes—and everyone’s appetite!

Help Nancy and her friends find a missing lucky headband so River Heights teen Katie can break the world record at the local arcade’s dance game in the eighth book in the interactive Nancy Drew Clue Book mystery series. Everyone in River Heights has shown up to watch Katie McCabe try to beat the world record for the Dance-A-Thon game. Judges are coming to the arcade to see how quickly she can spin across the electronic dance floor and how many points she can win. But just as Katie’s about to get ready, she notices her lucky headband has gone missing! She always wears the blue, sparkly headband when she competes and knows she’ll bomb without it. Luckily, Nancy takes her Clue Book everywhere. Nancy, Bess, and George are on the case! Who is sabotaging Katie’s big day? Could it be the owner of the rival arcade, Michael Parker, who wanted the judges to see his world record sock attempt? Or May Bensen, the current Dance-A-Thon record holder? It’s up to the Clue Crew—and you—to find out!