"As far as twelve-year-old McKinley O'Dair is concerned, the best thing about living in Gap Bend, Pennsylvania, is the Time Hop--the giant party the town throws every June to celebrate a single year in history. That one day is enough to make the few things that aren't so fantastic about McKinley's life--like her crabby homeroom teacher or her super-scheduled father--worth suffering through. And when McKinley learns that this year's theme is 1993,...

Greedy Llama travels back in time to eat his marvelous birthday donut a second time, but a Baby Llama follows him to the present, and soon his house is a chaos of cave llamas, barbarian bunnies, and Viking pigs.

Two very hungry dinosaurs discover a time machine and are instantly transported to America in 2018, where they are delighted to find themselves surrounded by food (including pizza and doughnuts), but soon less excited to find themselves surrounded by policemen with guns--so they escape to the time machine, not knowing where it will take them next.

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.

"Tim and Tito are best friends whose world gets upended when a time-traveling T-Rex named Oskar suddenly appears in Tim's backyard. That's right, a time-traveling T-Rex, who knows too much for his or Tim and Tito's good. Sure, Oskar's prehistoric spaceship is awesome. But when Tim mistakenly gulps down something called Impossible Juice, the boys find themselves not only battling a loony, robotic lunch lady but also Oskar's evil AI assistant. Is humanity...

"When Jamie and Tess discover a secret cave that lets them travel back to the time of the dinosaurs,a whole world of adventure awaits them. It's amazing, but dangerous, too! They'll definitely need help from their friends in the Dinosaur Cub"--

"In this adventure, the Timekeepers travel back to 1903 to prevent DeLay from interfering with the Wright brothers' first flight! Will they get the job done in time?--

"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"--

"The magic tree house whisks Jack and Annie to Africa where they must use magic to save a rhino and her baby from poachers"--

After being sent to jail for the rest of their lives, George and Harold are taken on a trip back in time by Tippy Tinkletrousers back to their Kindergarten days where they must deal with their bully without the help of Captain Underpants.