For most of her twelve years, Astrid has done everything with her best friend Nicole. But after Astrid falls in love with roller derby and signs up for derby camp, Nicole decides to go to dance camp instead. And so begins the most difficult summer of Astrid's life as she struggles to keep up with the older girls at camp, hang on to the friend she feels slipping away, and cautiously embark on a new friendship. As the end of summer nears and her first...

Fifth-grade best friends Kenzie "Kenzilla" and Shelly "Bombshell" dream of becoming roller derby superstars one day, but when a junior league forms and they must recruit teammates, will their friendship survive?

Jake loves to skate so much that he skates nearly everywhere he goes.

Two dogs almost give up their efforts to learn to roller skate until they have an opportunity to help a stranded kitten.

Splat the Cat can't wait to try out his new roller skates but must stay inside because it is raining.

When Karen shows off her roller-skating expertise and accidently crashes into her brother, she ends up with a broken wrist but uses the opportunity to get everyone she knows to sign her new cast.

Warned not to try out her new skates, Sammy straps them on anyway, resulting in a wild ride through town.

Thirteen-year-old Kadijah Carrie is obsessed with roller skating and really wants to compete in a local speed skating tournament--if she can obtain the equipment and actually learn to skate in time.

Social anxiety, her parents' divorce, and messy friendships won't stop Millie's pursuit of what she wants -- in roller derby or in love. But her own lies might... Sixteen-year-old Millie Novak is stuck in an "if only" rut. If only she were stronger and faster, maybe her roller derby teammates would take her seriously. If only she had the guts to go back to in-person learning, maybe she'd have a social life. If only she weren't such an awkward mess,...