Kimberly Brubaker Bradley

A young disabled girl and her brother are evacuated from London to the English countryside during World War II, where they find life to be much sweeter away from their abusive mother. "Nine-year-old Ada has never left her one-room apartment. Her mother is too humiliated by Ada's twisted foot to let her outside. So when her little brother Jamie is shipped out of London to escape the war, Ada doesn't waste a minute--she sneaks out to join him. So begins...

Simple language and humorous illustrations show how energy comes originally from the sun and can be transferred from one thing to another.

In 1791 after her family's journey from Pennsylvania, ten-year-old Lizzie suffers from the disease of asthma in her new home in the Southwest Territory (present-day Tennessee).

Simple language and humorous illustrations show how forces make things move, prevent them from starting to move, and stop them from moving.

After her brother dies and her parents get a divorce, twelve-year-old Katahdin sets out to hike the whole Appalachian Trail from Georgia to Maine on her own.

Just before the beginning of World War I, eight-year-old Ruthie, who lives with her parents and six brothers on a farm in Indiana, wishes for a sister and tries to behave like the lady her mother wants her to be.