Nancy Drew and the Clue Crew investigate when circus acts are sabotaged.

In Princess Mix-up Mystery, Nancy Drew and her friends must uncover a stinky plot at the local princess makeover beauty parlor. Who switched out the delicious-smelling Strawberry Spritz spray for one that smells like rotten eggs and turns the girls' hair blue?

Who rained on the parade?

River Heights Elementary School is putting on an Earth Day parade, and Nancy's class has a special honor: They get to build the float! Nancy, Bess, George, and all the kids in Mrs. Ramirez's class have worked hard to make the "greenest" float they can, collecting recycled materials to use for decoration.

But someone's spoiled all the fun and sabotaged the float days before the parade. Who...

When someone slips a mean valentine that appears to come from George into Bess's pocket while the girls are making stuffed animals, Nancy's best friends are soon in the middle of a fight.

Nancy and her friends have to solve the pony problems.

Can Flat Stanley save Christmas in this holiday-themed chapter book adventure?

Santa Claus is not his usual, jolly self. In fact, he's in a terrible mood. He doesn't believe that children appreciate Christmas anymore. This year, he has decided that he is not going to deliver any Christmas presents!

Luckily, his daughter, Sarah Claus, knows who to call for help. The Lambchop family! But can they convince Santa that there

...

Nancy Drew and the Clue Crew are out to solve the case of a stolen stuffed animal.
River Heights has gone gaga over Make-a-Pets! Nancy and her friends are excited to make their own cuddly stuffed animals—and play the online game Petopia that goes along with Make-a-Pet animals.

But when Nancy's friend, Violet, discovers that Hoppity, her Make-a-Pet, is missing, the Clue Crew is called on to help find the missing bunny. It seems...

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...

Participating in an exciting show-and-tell day during which Miss Plum shows the class her sparkly new engagement ring, Flat Stanley is on the case when the ring goes missing.

Eight-year-old supersleuth Nancy Drew must solve a crime of fashion! Nancy Drew and her classmates have the chance to submit their own fashion designs to a big-time competition-and the chance to model their designs in a fashion show. On a team with her best friends George and Bess, Nancy comes up with some truly original clothing ideas and her team is chosen! But someone keeps sabotaging the contest along the way-stealing designs, hiding sample pieces,...