In a series of messages placed in her grandmother's ancestral jar, a seventh century princess and future ruler of the Korean kingdom of Silla vents her frustration at not being permitted to study astronomy because she is a girl.

"Stella Starflake Pearl just wants to be part of the Polar Bear Explorers Club. But Stella's a girl, and everyone knows that girls aren't allowed to be explorers. Stella's ready to prove everyone wrong"--

Eleven-year-old Beulah "Blue" Warren, a fearless girl surrounded by boys, is beginning to forget her deceased mother but a new revelation gives her the strength to grieve for her mother once and for all.

For the past three years twelve-year-old Louise and her adopted brother Otto have played on the same hockey team, and Lou is used to being one of the best centers on the team; but when their coach's reserve unit is called up, his replacement puts his own son at center and relegates Lou to the bench--and when his son's arrogance starts costing them goals Lou and the team must convince him that girls can be hockey stars too.

When he is banned from his school's soccer team for an infraction he didn't commit, Noah must find his own way to enter the Schools' World Cup tournament and joins up with an unlikely cast of teammates, St. Mary's School for Girls.

Carlos Gomez is a member of the only Mexican American family in town, so he's used to being the odd one out. A lisp, a penchant for girl glamor, and being picked on by the class bully don't help either. But now there's a talent show coming up, and Carlos is performing with the BMX stunt team. What could possibly go wrong?

Lupe Wong needs an A in all of her classes in order to meet her favorite baseball pitcher, but when square dancing is introduced in gym, it might just bring her demise. "Lupe necesita una A en todas las clases para conocer a su lanzador favorito, Fu Li Hernández, un mexi-chino como ella. ¿Qué pasa cuando el baile de country llega al gimnasio? Lupe no se quedará con los brazos cruzados."--

At the first practice of the season, Derek takes note of who is on the team. They have some good players, for sure--but also some weaker ones. There's still one kid missing, and Derek hopes it's a really good ballplayer to round out the roster. But when the kid arrives, everyone is shocked: she's a girl! Can Derek's team come together to have a winning season?

A bump on the head restores Art's memories of her mother and the exciting life they led, so the sixteen-year-old leaves Angels Academy for Young Maidens, seeks out the pirates who were her family before her mother's death, and leads them back to adventure on the high seas.

Ann, a young girl in eighteenth-century Williamsburg, wants to become a doctor like her father, but she is not allowed even to study Latin or mathematics.