Ride with the tide! Deep beneath the waves, King Triton's powerful trident has passed through the magical barrier that surrounds the Isle of the Lost-keeping villains in and magic out. And when Mal's longtime rival Uma, daughter of Ursula, gets wind of this, she can't believe her luck. The tide has dragged in something good for a change, and Uma is determined to get her wicked hands on it. But first, she needs a pirate crew. A storm is brewing back...

The children of Maleficent, the Evil Queen, Jafar and Cruella De Vil have never ventured off the Isle of the Lost. . . until now. Invited to pristine Auradon, to attend prep school alongside the children of beloved Disney heroes, Mal, Evie, Jay and Carlos must carryout their villain parents evil plot to rule once again. Will the rebel teens follow in their rotten parents footsteps or will they choose to embrace their innate goodness and save the kingdom?...

As the evil Celebrant conquers more and more dragon sanctuaries, Kendra must raise an army of friends and allies on her own to fight him because her brother Seth and Bracken are missing.

Describes a discovery the author made in the Alps, which uncovered a treasure trove of Druid celestial mathematics that mapped out the entire geography of ancient Europe, and discusses the implications of this new information.

Facts and accounts of scientific discoveries and historic breakthroughs of the Viking era.

Publisher Annotation: The war against dragons intensifies. Will Kendra and Seth find the help they desperately need from the Giant Queen? This fourth book in a five-book series leaves the underwater dragon preserve of Crescent Lagoon for a gladiator-style arena at Titan Valley, the magical realm of towering giants and enslaved dragons. Our two young heroes have never felt so small or faced a challenge so . . . giant!