time travel

"Retells, in graphic novel form, the tale of eight-year-old Jack and his younger sister Annie, who find a magic treehouse which whisks them back to an ancient time zone where they see live dinosaurs"--OCLC.

While sinister Lord Luxon makes himself at home in twenty-first century Manhattan, Peter and Kate, aided by Gideon, pursue The Tar Man through the streets of eighteenth-century London, when history is at its tipping point.

"A startling transformation gives Arata Hinohara a new perspective on his strengths and weaknesses, and he's left to face the fact that his ill feelings toward his old friend and current nemesis, Kadowaki, are probably the greatest threat to the success of his quest. It may even have rendered him helpless to defend himself! Another enemy, Ameeno, wastes no time taking advantage of this, and to such effect that he might take out both Hinohara and Kadowaki at one stroke"--Provided by publisher.

In 1960, bored and lonely thirteen-year-old Sophie is not happy about spending the summer at her grandmother's old house in the Bayou until she finds a maze with a secretive and mischievous inhabitant. She then makes a wish and finds herself in 1860 at her family's home, where she is mistaken for a slave.

Jorge, Marcus, and Elena travel to Ottumwa, Iowa, in 1983, to locate a flock of zombies at one of the first video game competitions.

Elena, Marcus, and Fiona time travel to 1972 Minneapolis-Saint Paul, where they attend the State Fair while seeking a werewolf that is associated with the Guthrie Theater. Includes directions for performing a play, character sketches, and glossary.

Fiona, Elena, and Marcus travel to Chicago in 1938 to help a vampire recover her stolen locket.

Dana, a black woman, celebrates her birthday in 1976 only to be snatched from her home and transported to the antebellum South to save the white son of a plantation owner from drowning.

In January of 1986, Nick Hayes, a fifteen-year-old genius, discovers he has what is probably a terminal illness. At the same time, an even stranger thing happens--a girl, Mia, joins his Dungeons & Dragons-playing friend group, and immediately Nick notices a strangely familiar man with should-be-impossible abilities following him. The man warns Nick that Mia's life is in mortal danger, and only Nick can save her.

In the summer of 1986, Nick Hayes--a prodigy, boy-genius, cancer survivor, and even a time travel dabbler, and student at Cambridge University--has begun working with the renowned mathematician Professor Halligan. When he meets a stranger who seems nevertheless familiar, Nick begins to fear his activities have created a disruption in time. Now, Nick, his ex, Mia, and new fellow student Helen must work together to avert the apocalypse of time running out--literally.