Action Adventure Time Travel

One day, six towers appear on Earth. Each one stands hundreds of stories tall, and are invulnerable to all attacks. At the base of each tower is a portal, welcoming in all who dare enter it. All sorts of magical monsters can be found inside the towers. Even treasure, magic, and superhuman strength can be acquired. The problem is that the towers aren't a friendly place. Even worse, the towers sometimes release waves of monsters to attack Earth. In the year 2083, there are only a hundred survivors. In one last attempt, they challenge the final floor without regard for their lives.

Jack and Annie are whisked back to the Civil War, where they meet Clara Barton and save the life of their very own great-great-great-grand-father.

Are the Tresians using the weather as a weapon against their enemies to sabotage the 1897 World Exhibition in Brussels, Belgium? Tormented by the sound of unending rain, Marie finds some light relief, becoming involved with the art nouveau movement, along with her women’s rights work. Yet a morally ambiguous situation with the Expo’s stakeholders has her on high alert, calling for Jed’s help - as the Tresians predicted. Jed is mired in the mud with his work, sensing impending danger, yet sidetracked by the storms' effects. Can the couple piece together what awaits them and thwart an ...

Ah, Paris. City of lights. City of intrigue! Deborah’s life has been a whirlwind over the past few years. Between the high demand for her unique services around the world, intergalactic conspiracy to ensure they fail, and a man she’s falling in love with appearing and disappearing seemingly at random, she is struggling with coming to terms with it all. When she is summoned to help in Paris, it represents an opportunity to reset and unwind. Or so she hopes. But no amount of recovery will ease the pain of knowing Jed disappeared in such poor condition. Will Jed return? Will he be healed? ...

Are you ready for a presidential adventure? Jack and Annie are! They are whisked back to Washington, DC, in 1861. Jack can’t wait to meet Abraham Lincoln himself! But the new president is too busy to see them, as he is desperately trying to save a nation in crisis. It’s a race against time as Jack and Annie try to aid a president and a troubled nation!

After their world collapsed in a sheet of white light, everything and everyone was gone - except for Hannah and Amanda Given. Saved from destruction by three fearsome and powerful beings, the Given sisters found themselves on a strange new Earth where restaurants move through the air like flying saucers and the fabric of time is manipulated by common household appliances. There, they were joined by four other survivors. The sisters and their companions began a cross-country journey to find the one man who could save them.

Stosh thought he was finished traveling back in time. But then Ralph Branca shows up in his room one night, begging for Stosh's help. In 1951, Branca pitched a ball to Bobby Thomson that would become the "Shot Heard Round the World", a home run that won the National League pennant for the New York Giants and changed the lives of Branca and Thomson forever. Branca says the Giants were cheating, and he needs Stosh to use his power with baseball cards to go back in time and set things right.

Dive into the enchanting world of "The Magic Library: Shieldmaiden's Challenge," a spellbinding tale that weaves together the magic of reading and the rich tapestry of Viking history. This captivating story follows the adventures of Amelia and Bethany, two spirited sisters who discover an ancient, mystical library hidden in the Pacific Northwest. This is no ordinary library; it's a magical portal to different times and places, and it's about to take them on an unforgettable journey. In this installment, Amelia and Bethany find themselves transported to a vibrant Viking village, where they ...

Thanks to The Book, Joe, Sam, and Fred are back in the Stone Age, where there aren't any math problems. But there's a tribe of hostile cavewomen, a hungry-looking saber-toothed tiger, a bone-rattling earthquake, and a woolly mammoth who wants to turn them into toe jam. Worst of all, Joe, Sam, and Fred have discovered that writing hasn't been invented yet - so how can The Book get them back home?

Becky and Joe Mellor return to Bowen Hall for the half-term holidays to find things are as unusual as ever. Of course, that's to be expected when you're sharing a stately home with a dinosaur, a winged horse, two sabre-tooth tigers, Will Scarlet, and Bowen Hall's latest resident - a dodo named Deirdre. Things, however, get more intriguing when American time traveler Bruce Westbrook arrives with two gold doubloons that seem to possess strange, supernatural powers.

After going through the door that called to them both in dreams, Emory and Romie find themselves in the Wychwood: the same verdant world written of in Song of the Drowned Gods, albeit a twisted, rotting version of it. A sinister force has awoken with their arrival, intent on destruction as it spills across realms, and now Emory and Romie must stop it before it reaches their own shores. Meanwhile, Baz and Kai are desperate to follow their friends through the door to other worlds, but a mishap pulls them back in time instead—where they come face to face with Cornus Clover himself.

When the Tootings return to Zobrowski Terrace at the end of Chitty Chitty Bang Bang Flies Again, they find that home is looking a lot like Jurassic Park. But this is no theme park - a very real and very hungry Tyrannosaurus rex is charging them! Thanks to Dad inadvertently yanking Chitty's "Chronojuster" lever, the spirited car has flown them back to prehistoric times, where the family - and especially Baby Harry - has a narrow escape.

When the Kings move from LA to a secluded small town, 15-year-old Xander is beyond disappointed. He and his friends loved to create amateur films, but the tiny town of Pinedale is the last place a movie buff and future filmmaker wants to land. But he, David, and Toria are captivated by the many rooms in the old Victorian fixer-upper they moved into - as well as the heavy woods surrounding the house.

Thanks to the magic of The Book, Joe, Sam, and Fred are back in the wild, wild West - and it's proving to be way too wild. They're almost stampeded by a herd of crazed cattle and nearly suffocated by foul cow fumes! Then they meet a friendly Indian chief, but why do his warriors keep staring at their scalps?

A Love That Defies Time. A Light that Extinguishes the Dark. Milan, 1906. Eva Moretti is a determined woman fighting for workers’ rights. When she met Jed at the recent St Louis and Liege World Expos, her world shifted and expanded. Although she realizes he is a mysterious man with secrets beyond time, their adventures together have created a strong, loving connection. Jed has spent centuries battling an ancient enemy determined to sabotage human progress. Now, as danger rises and Milan’s World Expo faces destruction, Eva is pulled into a conflict that spans history itself. Even now, ...

Exploring space and time is a dangerous business, and no one knows this better than Time Agents Travis Fox and Ross Murdock. So when both men are stranded on far-off planets with no hope of rescue from Earth, they must rely on their wits and their training to survive. But survival is only the beginning. To better handle the rigors of the alien world of Topaz, Fox and his crewmates have been implanted with the memories of their Apache ancestors - but the Opposition has sent its own team with the reawakened memories of their Mongol ancestors!

In a quiet neighborhood where pizza deliveries are as normal as forgotten homework, twelve-year-old Max Murdock discovers something no kid ever expects—a mysterious, glowing pizza box that follows him home. But this is no ordinary takeout. Inside the box lies a swirling portal to a vast and wildly unpredictable universe made entirely of living toppings, sauce-powered machines, and crust-based civilizations. Joined by his hilarious best friend Logan, a fearless classmate named GraceMarie, and the cryptic clues left by a banished flavor genius, Max is recruited into Za & Beyond—an ancient...

The final stretch of Arlan’s journey is here, but with it, the Demons’ final stand. Arlan has one last obstacle in his way before he can escape from imminent death—a monster-infested mountain range. But just as much as the monsters pose a threat to him, they also pose an opportunity. After all, an enemy is just a Level-up waiting to be claimed. The Demons are intent on not giving Arlan the time to get strong enough to beat them, though.

Jack and Annie are whisked all the way back to the Ice Age in this compelling Magic Tree House time-travel adventure, in which they meet woolly mammoths, cave people...and fierce sabertooth tigers!

Finn is contacted by a federal agent who asks for his assistance in a delicate case. A piece of equipment disappears from a government-funded secret lab. The nature of the experimental equipment is so secretive that not even the agent knows what exactly it contains. Recommended reading first "Project Orthia" series. This is Book 1 of "Orthia" - the secod series of the "Orthia Labs" saga.