While visiting her mother's childhood home in Scotland, Amy discovers that she is able to jump into books and experience their stories firsthand, but peril arises when she is confronted by a dangerous adversary who is stealing from the books she visits and threatening her life.
Sent to live in a faraway rural community after their secretive mother's death, Aila and her younger brother are targeted by locals who blame their mother for a mysterious phenomenon that triggers the disappearances of sensory and mental experiences every seven years.
When their father and older sibling are killed by assassins, a pair of royal twins who were never destined to rule are forced to compete against each other in a dangerous trial that is shaped by the schemes of a power-hungry ruling council.
Two friends on a Grand Tour of 18th-century Europe stumble across a magical artifact that leads them from Paris to Venice in a dangerous manhunt shaped by pirates, highwaymen and their growing attraction to one another.
Born to produce an heir before being sacrificed to the ocean, Khosa is championed by lesser prince Vincent, who seeks to identify a way to protect both the girl and their kingdom from an attack by a magical native race.
A teen from the latter half of the 21st century, having been chosen to travel to Mars, investigates the fates of a girl whose prospects for immortality were ended by the Dust Bowl and a girl from World War I who attempted to rescue a childhood friend.