After disappointing Miss Zandergoth on their first mission, Luke, Isabel, David, and Julia are sent to capture a photograph of the Titanic sinking.

Witnessing a bank robbery gone awry, fifteen-year-old Zoe, a girl with the supernatural ability to jump back in time and repeat events with up to ten tries, attempts to stop the crime, but makes things worse with each successive effort.

The Fart Squad travels back in time to a sixteenth-century Scottish castle to retrieve the Golden Scratcher that will cure the town of a contagious itch.

Fifteen-year-old Emma is acting as stage manager for her school's production of Hamlet when she finds herself transported to the original staging of Hamlet in Shakespearean England--

It's up to Sarah Robinson to save her shipwrecked family from a time-traveling curator of souls and a treasure-hunting criminal in Book 3 of the Shipwreck Island series--

Seventeen-year-old Alice is forced to consider a terrible choice when she begins to receive psychic messages from the future foretelling that a boy in her class will one day wipe out two-thirds of the population with a virus.

Jack and Annie travel five hundred years back in time to Florence, Italy, and spend a day helping Leonardo da Vinci in the hope of learning another secret of happiness.

Children's birthdays are always strange in Willow Falls, but when Connor's little sister Grace falls into a frozen state on her tenth birthday, Amanda and Leo must travel back in time to find out what force prevented Angelina from casting the blessing that would have protected her.

The Doctor discovers a Neanderthal man in modern day London, so he takes a trip back to the dawn of humanity to find out how he became displaced.