Jack and Annie travel in their magic tree house to Elizabethan London, where they become actors in a production of A Midsummer Night's Dream and try to rescue a tame bear.

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.

Jack and Annie travel in their magic tree house to the land of the mystical selkies to seek a magical sword for Merlin.

"Jack and Annie travel in the magic tree house to Galveston, Texas on September 8, 1900--the day of the worst natural disaster in US history"--

"When the magic tree house whisks Jack and Annie back in time, they land in the tallest tree in Yosemite, California where they join nature conservationist, John Muir, and US President Teddy Roosevelt on a historic trip through the woods"--

These days, I've been killing it when it comes to letting people down. Now I've been kicked out of high school, arrested, and accepted into a remote, off-the-grid school owned and operated by an inscrutable billionaire tech guru. Gray Wolf Academy is looking for a certain kind of student. Ones that no one will miss. Like me. Then there's Braxton. The beautiful, oddly anachronistic guy who showed up right when the trouble started. And he's a total...

When Emily makes a wish on a magic stone, she gets a glimpse of what the future holds--and it's a disaster! She tries to make things right, but each trip through time takes Emily to a future where things turn out badly for either the humans of Brightport or the merpeople of Shiprock. Plastic pollutes the ocean, garbage overflows the landfills, and the two towns are no longer getting along. Emily realizes she can't save her hometown and the ocean alone,...

"The magic tree house whisks Jack and Annie away to Greenland where they discover they've traveled back in time to meet Lief Erikson"--

Tippy Tinkletrousers is back in the ninth book in this #1 New York Times bestselling series by Dav Pilkey, the author and illustrator of Dog Man!

George and Harold are behind bars for a crime they didn't commit! But just as they are settling into their new life, they are pulled from prison by a time-traveling tyrant named Tippy Tinkletrousers! Now the boys are taking a trip back in time to the carefree days of kindergarten, when the scariest...

The Bad Guys find themselves sixty-five million years in the past where they must avoid being eaten by dinosaurs, fix their broken time machine, and get back home before an evil alien destroys the world.