Harry Potter, now an overworked employee of the Ministry of Magic and father of three, watches as his youngest son struggles with the family legacy. But together they must face the fact that sometimes darkness comes from unexpected places.

Thirteen-year-old Jamie is overjoyed when a bequest sends him and his mother to live on an Irish island, where he and his newfound friend Ramsay travel back in time to help a young girl save her people from certain death.

Sixteen-year-old expert archer Merry Owen is desperate to save her family's farm in Wales, in the shadow of the Black Castle, and when she finds a buried chest containing an ancient and hopefully valuable Welsh text, she hopes it will be the key to a fortune--and so it is, but not in the way she expected, for it sends her and her friend James de Courcy into past.

In 1889 London young women are turning up dead, and Evaline Stoker, relative of Bram, and Mina Holmes, niece of Sherlock, are summoned to investigate the clue of the not-so-ancient Egyptian scarabs--but where does a time traveler fit in?

Sixteen-year-old Gwen, the newest and final member of the secret time-traveling Circle of Twelve, searches through history for the other time-travelers, aided by friend Lesley, James the ghost, Xemerius the gargoyle demon, and Gideon, the Diamond, whose fate seems bound with hers.

Polly's stay with her grandparents in Connecticut becomes an extraordinary experience as she encounters old friends and mysterious strangers and finds herself traveling back in time to play a crucial role in a prehistoric confrontation.

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. Living with her mentally disabled mother who only knows just over twenty words, young Heidi has learned to live in her special world until a new word is suddenly used and repeated by her mother; causing Heidi to think it might be a key to a secret past about which she knows so little....

Publisher Annotation: When sixteen-year-old Ellie Baum accidentally time-travels via red balloon to 1988 East Berlin, she?s caught up in a conspiracy of history and magic. She meets members of an underground guild in East Berlin who use balloons and magic to help people escape over the Wall?but even to the balloon makers, Ellie?s time travel is a mystery. When it becomes clear that someone is using dark magic to change history, Ellie must risk everything?including...

In 1916, teenaged hemophiliac and heir to the Russian throne, Alexei Romanov, escapes into the future to elude the murderous Rasputin, and meets his modern-day cousin, fifteen-year-old Varda, who is working on a cure for hemophilia and who wants to help change history by saving his family.

Something is going terribly wrong at the top secret Pinewood Military Installation, and the teenage geniuses who study and work there are about to discover a horrible truth as they lead a small military force trying to retrieve data and escape before the compound self-destructs.