In 1860 and 1861, while working in her father's lighthouse on an island off the coast of Delaware, fifteen-year-old Amelia records in her diary how the Civil War is beginning to devastate her divided state.
Joe, Fred, and Sam are transported to seventeenth century Japan where they infuriate a Samurai warrior, encounter their great-grandaughters, and save their lives by reciting an ancient form of poetry.
Their magic tree house takes Jack and Annie back to a monastery in medieval Ireland, where they try to retrieve a lost book while being menaced by Viking raiders.
Jack and Annie travel 500 years back in time to Florence, Italy, and spend a day helping Leonardo da Vinci in the hope of learning another secret of happiness.
When the Chamber of Secrets is opened again at the Hogwarts School of Witchcraft and Wizardry, second-year student Harry Potter finds himself in danger from a dark power that has once more been released on the school.
When twelve-year-old Hugo, an orphan living and repairing clocks within the walls of a Paris train station in 1931, meets a mysterious toyseller and his goddaughter, his undercover life and his biggest secret are jeopardized.