Centuries ago the great city of Atlantis had to be hidden from humans. Now magically buried in the depths of the ocean, it is the source of all magic. All is well in the magical world...until the leaders of Atlantis listen to the whims of a mad man. A group of teens set out on their own unique quests to fight for the world they love. They face dangers they didn't know existed. As they battle their way through mysterious tunnels and secrets of the ancient world, they find themselves in a race against time. One by one, the mad man will shut down the Gates of Atlantis and destroy the magic. Can these unlikely heroes stop him before it's too late? Book 1, Banshee at the Gate by Wendy Knight: Half-human, half-banshee Seven loves her life with her awesome brother Haran and her dad while delivering souls safely to death...until Death comes calling for Haran. Book 2, Guardians of the Gates: Mermaid Talia wants to be a Guardian. Exander wants to leave Atlantis and explore the upper world. An accident at one of the gates gives them both their chance, but they also make a startling discovery-someone is destroying the gates. Book 3, Secrets of the Mine: Adam believes in myths and magic. Clancy doesn't. Two normal kids' lives change when they embark on the adventure of a lifetime on the back of a sea kelpie...if only they can get away from the strange creatures that are determined to stop them. Book 4, Magicians of the Deep: A trip to Ireland changes Colin's life when a bite from a mysterious fish awakens unlimited knowledge and dormant magical powers. He knows exactly how to save a magical world, but can he get there before it's too late? Book 5, Madness Behind the Throne: Phoibos, bullied and taunted by other kids, believes something is wrong with Atlantis. His charm with the nobility and skill as warrior as he grows make him believe nothing will stop his quest to purge Atlantis from everything he finds impure. Book 6, Battle for Acropolis: Talon keeps getting in trouble. It's not his fault things around him randomly burst into flame, but he's not sticking around to find out what happens next. When foster sister Hattie encourages him to run, they make a break for it, only to find an unexpected destiny awaiting them in Atlantis. They just have to get there first. When they do, they find a lot of help. Characters from all the previous books appear to help fight Phoibos. These unlikely heroes risk it all to save the magic and fight for Atlantis.