Haddix, Margaret Peterson

Twelve-year-old twins Nick and Eryn and their robot stepsiblings, Jackson and Ava, try to save humanity from killer robots.

A twelve-year-old girl raised in a foster village is returned to her biological parents, and discovers home is not what she expected it to be.

Time-travelers Jonah and Katherine are summoned to help another missing child from history, this time Virginia Dare from the Roanoke Colony, but their journey is sabotaged and goes dangerously awry, leaving them in the wrong time period. Includes author's note about the history of Roanoke Colony and Virginia Dare.

When Jonah and Katherine travel to early 1900s Switzerland and Serbia to return Albert Einstein's daughter, Lieserl, to history, her mother Mileva grasps entirely too much about time travel and has no intention of letting her daughter go.

In 1927, Mrs. Livingston reluctantly recalls her experiences at the Triangle Shirtwaist factory, including miserable working conditions that led to a strike, then the fire that took the lives of her two best friends.

Jonah was able to save all of time from collapsing but in doing so gained a twin brother, Jordan, who must learn what has happened and do his own part to save time, and his parents.

In this continuation of the Cinderella story, fifteen-year-old Ella finds that accepting Prince Charming's proposal ensnares her in a suffocating tangle of palace rules and royal etiquette, so she plots to escape.

When talented teen athlete K.T. Sutton blacks out during a championship softball game, she wakes up to find reality completely upended.

After her father is convicted of embezzlement, Becca Jones, fourteen, and her mother flee Georgia for small-town Ohio but three years later she learns that his misdeeds may have jeopardized not just her future but also her life.

In a war-torn future United States, fifteen-year-old Tessa and her friends Gideon and Dek, enter enemy territory and discover the shocking truth about a war that began more than seventy-five years earlier.