time travel

"The reader's choices determine whether two classmates will survive after being mysteriously transported back in time towhen exotic plants towered overhead and giant rat-like creatures scuttled on the ground"--OCLC.

The magic tree house is back with a message from Morgan le Fay telling Jack and Annie to seek out "The Gray Ghost" and listen to her story, and immediately they are whisked away to Nepal where they meet Tenzin, a climber who has recently lost his family, and who takes them up the mountain to meet a snow leopard and renew himself.

"Charlie and August, the two cats that control the mechanical superhero dog, Sparks, are keeping the city safe. But when a second, evil Sparks shows up and starts causing trouble around town, everybody blames the real Sparks. Determined to prove that Sparks is still the hero everyone can count on, Charlie and August set out to uncover the shocking truth about who is responsible for all the chaos"--Provided by publisher.

So far the AstroNuts have failed to find a suitable planet, but NNASA has come up with a new plan: send the the four animal astronauts back through time on Earth where they are to contact early homo sapiens and somehow set them on a path to a sustainable future--trouble is, humans seem inferior to many of the other species (especially the wolves), so the AstroNuts come up with a Survival of the Fittest Olympics, hoping that with a little help the humans will prevail.

"Eighteen-year-old Hannah experiences danger in the past and present, as college intern Jordan tries to uncover the truth about Hannah and her memories"--Provided by publisher.

"No one seems very worried that your Grandmother Dolores has vanished from her job as innkeeper in the middle of the Wisconsin woods. That is until your parents suddenly and mysteriously insist on moving the family to take over the inn while she's 'away.' Kids in the neighborhood are eager to tell you wild tales about your new home, the Time Travel Inn"--Provided by publisher.

"The magic tree house has whisked Jack and Annie to ancient Egypt. Inside a pyramid, Jack and Annie find a long-dead queen who needs their help solving a centuries-old riddle. If only they can find their way through the pyramid's maze [in this graphic novel adaptation]"--Provided by publisher.

"After eleven-year-old David Bravo wishes for a do-over of a disastrous day of middle school, he and a shapeshifting spirit guide try to right a wrong in his past"--Provided by publisher.

"Charlie and August, the two cats that control the mechanical superhero dog, Sparks, are keeping the city safe. But when a second, evil Sparks shows up and starts causing trouble around town, everybody blames the real Sparks. Determined to prove that Sparks is still the hero everyone can count on, Charlie and August set out to uncover the shocking truth about who is responsible for all the chaos"--Provided by publisher.

"Retells, in graphic novel form, the tale of eight-year-old Jack and his younger sister Annie, who are whisked back in the magic treehouse to the time of knights and castles"--Provided by publisher.