"Shortly after starting fifth grade, Mika learns that her mother has cancer and uses her math notebook to explore the new changes in her life"--Provided by the publisher.

Thirteen-year-old Lakshmi leaves her poor mountain home in Nepal thinking that she is to work in the city as a maid only to find that she has been sold into the sex slave trade in India and that there is no hope of escape.

"Susannah Ramos has always loved the water. A swimmer whose early talent made her a world champion, Susannah was poised for greatness in a sport that demands so much of its young. But an inexplicable slowdown has put her dream in jeopardy, and Susannah is fighting to keep her career afloat when two important people enter her life: a new coach with a revolutionary training strategy, and a charming fellow swimmer named Harry Matthews. As Susannah...

The four Penderwick sisters are faced with the unimaginable prospect of their widowed father dating, and they hatch a plot to stop him.

In January 1937, as Sophia FitzOsborne continues to record in her journal, the members of Montmaray's royal family are living in luxurious exile in England but, even as they participate in the social whirl of London parties and balls, they remain determined to free their island home from the occupying Germans despite growing rumors of a coming war that might doom their country forever.

The oldest Marriss brother, fourteen-year-old Dewey, attempts to be the "embodiment of responsibility" as he juggles the management of the family's bicycle repair business while sharing the household and farm duties with his siblings after a sudden energy crisis strands their parents far from home.

Eleven-year-old Gopal and his family leave their rural Indian village for life with his uncle in Mumbai, but when they arrive his father goes missing and Gopal ends up locked in a sweatshop from which there is no escape.

In 1917, Aaluk leaves for Siberia while her sister Nutaaq remains in their Alaskan village and becomes one of the few survivors of an influenza epidemic, then in 1986, Nunaaq's great-granddaughter leaves her mother due to a different kind of sickness and returns to the village where they were born.

When his father is arrested as a debtor in 1849 London, fourteen-year-old John Huffman must take on unexpected responsibilities, from asking a distant relative for help to determining why people are spying on him and his family.

While spending Christmas at their grandparents' farm, Lily becomes convinced that her younger brother Liam is right about White Cow being lonely and helps him seek a companion for her, leaving little time for Christmas preparations or reading.