When Ridge, a time-traveling teenager from the future, gets trapped in 1999, he befriends Michael, a lonely twelve-year-old boy, changing the course of their lives forever.

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.

When math prodigy Nephele invents a time travel app so she can redo her terrible freshman year of high school, there are unexpected consequences.

"The two-headed chicken is back, with twice the adventure, twice the jokes, and a lot more heads (wait, did they just accidentally turn into a double-headed space snake?). Having lost the Astrocap(tm) somewhere in the multiverse, our intrepid hero dons the Timecap(tm) to scour the timestream, which looks a lot like broccoli, in search of it. But danger and drama await with every time-hopping POOZB! of the Timecap(tm), including hungry dinosaurs, fierce...

After sixty years of trying to stop Paradox and set the universe right again, Finn time-travels to get help from his nine-year-old self.

Geronimo Stilton travels back in time to ancient Rome, the great Mayan Empire and the palace of Versailles during the age of the Sun King, where he experiences wild historical adventures.

"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"--

Ranger the time-travelling Golden retriever was trained for search-and-rescue and even though he did not pass the tests he has used his training on his many trips to help people caught up in disasters; now he has arrived at the World Trade Center on the morning of September 11, 2001 just as the first plane hits, and he must rescue fifth-graders Risha and Max who are trapped in the wreckage, guide them to safety, and hopefully reunite them with Risha's...

Ari and her cursed wizard Merlin must travel back in time to the unenlightened Middle Ages and steal the King Arthur's Grail--the very definition of impossible. It's imperative that the time travelers not skew the timeline and alter the course of history. Coming face to face with the original Arthurian legend could produce a ripple effect that changes everything. Somehow Merlin forgot that the past can be even more dangerous than the future.

"Después de la muerte de sus padres, Lewis debe irse a vivir a la mansión de su excéntrico tío Jonathan. Pronto descubre que su tío y su vecina, la señora Zimmermann, no solo son un poco extraños, sino que ambos son magos. Pero ¿qué es ese inquietante tic-tac que resuena en la casa? ¿Qué peligros se esconden dentro de las paredes de la mansión?"--