When Joplin finds an antique platter with a beautiful Dutch scene, she idly wishes for the girl painted on the platter to be her friend and the next day Joplin finds the girl in the garden, longing to go back to her seventeenth-century home.

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

The Time Warp Trio find themselves in the Wild West of yesteryear, rubbing elbows with cowboys and Indians.

Hannah resents the traditions of her Jewish heritage until time travel places her in the middle of a small Jewish village in Nazi-occupied Poland.

Felix, Maisie's trip through the Treasure Chest transports them to St. Petersburg Russia in the early twentieth century where they meet Anastasia Romanov.

When Joe, Fred, and Sam are sent back in time by a magic book, they find themselves face-to-face with giants, dragons, wizards, and the Knights of the Round Table.

"As far as twelve-year-old McKinley O'Dair is concerned, the best thing about living in Gap Bend, Pennsylvania, is the Time Hop--the giant party the town throws every June to celebrate a single year in history. That one day is enough to make the few things that aren't so fantastic about McKinley's life--like her crabby homeroom teacher or her super-scheduled father--worth suffering through. And when McKinley learns that this year's theme is 1993,...

As thousands of Viking warriors attack Paris, Sera, Riq, and all the people of the city struggle to defend themselves and Dak remains a prisoner, forced to work for the invading army.

Three young men are entrusted with the Imaginarium Geographica, an atlas of fantastical places to which they travel in hopes of defeating the Winter King, whose bid for power is related to the First World War raging in the Real World.

Two teenagers use H. G. Wells's famous time machine to race through time and stop a dangerous enemy.