The readers' choices determine the course of action in a graphic story about time travel.

While exploring the woods, Luke is chased by monsters before being rescued by a robot Abe Lincoln, a ghost, a dinosaur, and an inventor, who are trying to keep a device capable of sending people into a parallel dimension out of the wrong hands.

Kagome, Inuyasha, and company search for the hiding place of Naraku's heart, which is needed to kill him, while Hakudoushi creates the creature Moryomaru to serve as a vessel for the heart.

Michael Evans is in Montana on a dinosaur dig with his paleontologist father, but he certainly never expected to find a live Tyrannosaurus Rex plucked out of its own time and looking for dinner, nor encounter a girl with some very advanced technology trying to trap the beast.

"Schoolkid Andy may have awesome secret superpowers, but is he ready to handle a trio of sneaky supervillians from his own future?" --back cover.

"Determined to show Ronnie just how interesting prehistoric life was BEFORE the age of the dinosaurs, Miss Lernin takes her back in time to the six parts of the Paleozoic era to study the earliest lifeforms on Earth, starting with the rise of the vertebrates"--Provided by publisher.

Traveling to France during the reign of Louis XIII, Geronimo and his friends enlist in the "mouseketeers" only to discover that the mouse on the throne is an impostor and together they must find the real Louis.

His father and everybody else at the museum in New York is excited over the dinosaur eggs that Mike Evans found in Montana--the trouble is they are hatching and Mike will need the help of his mysterious and time-traveling friend Shannon to capture them before they wreck the museum.