Through e-mails, letters, blog entries, and movie scripts, twelve-year-old Ruth, an American girl, and Ruby, an English one, discover that they are long-lost twins.

After learning that her mother was a Double Dutch champion, eleven-year-old Jayla forms a team hoping to stand out in her big, quirky family, and finds her life changed in ways she never imagined.

Four girls continue their mother-daughter book club, reading Charles Dickens's "A Christmas Carol," but from unexpected blizzards to a sledding disaster, nothing goes as planned.

Struggling with her feelings for a female classmate, an eleven-year-old Irish girl tries to confide in her mother, the person she trusts most in the world.

Estrella is a filly, daughter of the lead mare, one of a shipment of horses bound for the new world, but when the ship is becalmed and the horses are dropped overboard to lighten the load, Estrella finds that it is up to her to lead the herd to land and safety.

When her father is killed in an accident, twelve-year-old Wren is grief stricken, but what upsets her even more is that her mother seems to be filled with anger, rather than sadness--as they move from place to place Wren is forced to cope with her mother's strange behavior, her own grief, and all the problems that come with being the new girl in Michigan's Upper Peninsula, where they finally end up.

Twelve-year-old Astrid Xu stumbles upon an ancient Chinese scroll that she hopes is the key to curing her mother's depression, but when it transports her and her younger sister Marilla to a realm where Chinese legends are real, they suddenly find themselves caught in a war between good and evil.

When her imagined perfect life with her estranged mother begins to unravel, fourteen-year-old Apple finds comfort in reading and writing poetry.

As ten-year-old Gwyn searches for a missing neighbor in her new town in Iowa, she learns much about her mother, who grew up there but has suffered from memory loss since Gwyn was four.

Twelve-year-old Ivy Green, whose mother may have run off with a charismatic preacher to Panhandle, Florida, and classmate Paul Dobbs, who wants to see a Space Shuttle before the program's scrapped, team up for a summer adventure that's full of surprises.