The atmosphere at Cassie's new ballet school is more competitive than she's ever experienced, and when she sees real harm being done to other students she finds out just how far some girls will go to succeed.

Nancy goes undercover at the exclusive Green Club when George's cousin, a candidate for city council, is targeted by a mysterious saboteur who threatens the plans to build a new sports complex.

"Fifth grader Kate the Chemist is chosen to be the assistant director of the school play Dragons vs. Unicorns and has to use her science knowledge to find out who is trying to sabotage the show"--

People at Black Creek are getting very sick from fresh fruits and vegetables crawling with deadly bacteria and Nancy is going to find out who is responsible for sabotaging the Heyworth's farm.

A timely and whimsical portrait of growing up with social anxiety follows the experiences of a girl who risks a best friendship in her attempt to sabotage her own bat mitzvah to avoid the event's intimidating large crowds and requirement for her to sing in another language.

"Kate's school is having their first-ever STEM Night and the prizes are incredible! Kate is determined to win and comes up with the perfect experiment. But as she and her best friend, Birdie, start preparing, they find that Kate's project keeps getting messed up. Will Kate be able to use her science know-how to find out who is behind the STEM night sabotage? And will she fix her project before it's too late?"--

Accused of ruining a champion dog's career after an unfortunate incident at a mall show, Luthor is sent to the pound, prompting a skeptical Griffin to hatch a daring plan involving a sinister saboteur, a reclusive trainer, and large supply of red dye.

Ella is magically sabotaged when she enters the Winged Wonders Flying Championship, and while she tries to undo the spell, Owen tries to clear his gremlin's name and find the real culprit.

"A fancy fine dining establishment has opened in Quinnie Boyd's Maine town, creating new competition for her father's humble café. When things start to go wrong at the café, Quinnie suspects the people behind the new restaurant are to blame"--

The Campground Kids are ready for their next adventure backcountry camping at Yellowstone National Park. Expecting a peaceful sightseeing vacation, the kids quickly realize this trip is far from relaxing. They suddenly find themselves stranded in the park, threatened by grizzlies and bison. To top this off, the kids run into a scientist named Dr. Y who needs their help. When they learn Dr. Y's equipment is mysteriously missing, Isaiah, Sadie,...