Twelve-year-old Levi is at home in the dojo where he practices karate, although the contentious relationship with his new stepsister, Sofia, is disturbing his concentration--but when she suddenly decides to join his dojo he realizes that Sofia's prickly attitude is a cover for her unhappiness.

Conner and Hannah are friends who love to go to the skateboard park on Saturdays, so when a bully named Hank shows up and starts pushing them out of the way, they need to find a creative way to practice for the upcoming tournament.

Although Dylan's wrist is healing from the pre-season injury, can he be part of the team if he is stuck on the bench?

For the past two years, since attending a Choctaw Nation powwow with his family, thirteen-year-old Tobias has secretly been teaching himself how to hoop dance, but once his secret gets out, he must decide if he wants to share his dancing at the spring talent show.

Avani Patel loves to skateboard, but there is no skate park in her town so she does not get to practice tricks often--but now that the idea is under consideration in the city council Avani and her friends set out to convince the skeptical politicians the town really needs one.

Sixth-grader Max Stinson is tired of being bullied by Harold Weime and looking forward to a summer in the local paintball league to work off some of his frustration, but he soon learns that anger is not a winning attitude, especially when you take it out on the people around you.

Ramona is very serious about beach volleyball, and she is frustrated with her summer league team--but when she learns that a plastics company is going to build a factory in their park, she realizes that it will take the whole team to try and save their court.

Basketball has always come easily to twelve-year-old Devon Rosario of the Bronx, but it has been a long time since he actually enjoyed playing because Devon's father sees him as the family's second chance at basketball glory, and the pressure of that expectation is ruining the game for Devon; but then he sees Jamal, a Yemeni refugee, doing BMX tricks on his bike and suddenly Devon sees a way to put fun back into sports--provided he can keep his new...

Molly has always dreamed of taking horseback riding lessons, but the lessons were too expensive. Until now! A new stable has opened up in town, and Molly convinces her parents to let her sign up for classes. Everything is great-- except that two girls at school keep making fun of Molly. She'll need to figure out a way to keep her confidence both in and out of the saddle.

"Peter makes the varsity lacrosse team, but one of his teammates isn't happy about it"--Unedited summary from book.