"Karen has new roller skates. She is a very good skater. She can even do tricks. But oh, no! Karen falls down and breaks her wrist! She has to go to the hospital and get a cast. Karen wants somebody famous to sign her cast. It isn't going to be easy--but Karen won't give up till she gets the job done!"--

Two roller-skating best friends--one tiny, one tall--share three comical adventures involving outrageously bright socks, an impromptu trek to the Andes, and a most unlikely marvelous companion.

Daya Wijesinghe sees a bruise as a mixture of comfort and control, but joining a roller derby team push her toward big truths about love, loss, strength, and healing. "Since her parents died in an accident Daya Wijesinghe survived, bruises have become a way to keep her pain on the surface of her skin so she doesn't need to deal with the ache deep in her heart. When chance brings her to a roller derby bout, Daya is hooked. Yes, the rules are confusing...

At the beginning of the new school year, all the children at Bailey Elementary must get their eyes checked by a doctor, and a rumor spreads that Dr. Polly is really a Cyclops stalking the people of Bailey City

"Juana's life in Bogotá, Colombia, is just about perfect. Every now and then a big problema comes along--like having to learn English or Juana's mami getting remarried--but things eventually settle down, and life goes back to feeling pretty perfect again. But then Mami springs two new sorpresas on Juana. One: Juana will be spending her school break going to skating camp instead of relaxing (even though she doesn't know how to skate!). Two: Mami is...

Now an official junior roller derby team, members of the Austin Derby Daredevils are working on their unique abilities but Shelly struggles to identify what makes her shine on the track.

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?

When Phineas and Ferb find out that their grandma used to be a roller derby queen. Soon they discover that Jeremy Johnson's grandma also used to be a skating champ, and they set up a contest to see which granny can roller derby their way to the finish ...

Lisa is a busy girl. She roller skates, rides a bicycle, swims, and more. Everyone who knows her says, "Look at Lisa go!"