Polly O'Keefe goes to spend a quiet visit with her grandparents. She meets several unusual people, who lead her on a trip back through time, where she discovers the importance of love in human relationships.

"Rigg's journey comes to an epic and explosive conclusion as everything that has been building up finally comes to pass, and Rigg is forced to put his powers to the test in order to save his world and end the war once and for all"--

This can't be real, I thought. But I had the same feeling I had whenever Saba told me his stories: that somewhere, somehow, the impossible had happened. Ever since she arrived in Germany on a school trip, Ellie Baum has felt the weight of history on her. After all, she's the first one in her family to return since her grandfather's miraculous escape from a death camp, and in Berlin, pieces of the past - World War II, the Cold War - are still visible...

High school senior, Autumn Falls, has important decisions to make, so when she receives a magical watch that enables her to time travel, Autumn hopes she can correct all of her past mistakes and change her destiny.

"In 1910, Captain Robert Scott prepared his crew for a trip that no one had ever completed: a journey to the South Pole. He vowed to get there any way he could, even if it meant looking death in the eye. Then, not long before he set out, the telegram arrived: "Proceeding to Antarctic - Roald Amundsen." What was to be an expedition had become a race. One hundred and eight years later, Captain Louis Rudd readied himself for a similarly grueling task:...

Sixteen-year-old Hope Walton travels back in time to help rescue her mother, a member of the secret society of time travelers, who is trapped in twelfth-century England in the age of Eleanor of Aquitaine.

Thirteen-year-old Rigg has a secret ability to see the paths of others' pasts, but revelations after his father's death set him on a dangerous quest that brings new threats from those who would either control his destiny or kill him.

After spending her life with her mentally retarded mother and agoraphobic neighbor, twelve-year-old Heidi sets out from Reno, Nevada, to New York to find out who she is.

Fifteen-year-old Jack is sent to 1914 Europe as a pawn in the battle between his long-lost father, who has built a time machine, and a secret network of scientists who want to prevent him from trying to use it to change history for the better. Includes historical notes.