Just when you thought doomsday was over . . .Centuries ago Acheron saved the human race by imprisoning an ancient evil bent on absolute destruction. Now that evil has been unleashed and it is out for revenge. As the twin to Acheron, Styxx hasn't always been on his brother's side. They've spent more centuries going at each other's throats than protecting their backs. Now Styxx has a chance to prove his loyalty to his brother, but only if he's willing...

Fifteen-year-old Josh has chosen to side neither with his twin sister Sophie nor with the Alchemyst, Nicholas Flamel, but rather to fight alongside Dr. John Dee and the mysterious Virginia Dare, while the immortal Machiavelli and Billy the Kid follow the Elders' plans to set loose the monsters of Alcatraz on San Francisco and trigger the end of the humani race.

"Walt's magical ability to bring maps to life puts him, his twin sister, Van, and new friend Dylan in danger when an enchanted heirloom strands them in the fantastical world of Djaruba and they discover a malevolent rival to the kingdom, a fellow mapmaker, has nefarious plans for Walt"--Title verso page.

Back in London, fifteen-year-old twins Sophie and Josh Newman must determine whom they can and cannot trust as they search for both Scatty and an immortal who can teach Josh the magic of fire, while Doctor Dee and Machiavelli continue to seek power.

Twins born out of violence and raised apart.Ven (short for Vengeance) is raised in seclusion under the watchful eye of his deceased mother's Amazonian lover. He is a child whose appearance belies his heritage - half-man/ half-dragon.Marcus is raised in a court, and given all of the protections and breeding that would entail. He appears to be completely human, yet his psychic link with the brother he has never known betrays the dragon magic that lies...

Alex and his friends from Artime are stranded on a newly-discovered island, and they are not alone, while in Quill, his twin Aaron's power base grows as he joins with an unlikely ally in a risky plan to finally conquer Artime.

"Head mage Alexander Stowe and his friends successfully fended off the latest threat to their magical world of Artime with the help of a surprise ally. But old enemies have secretly been plotting against them. Now Alex must lead his people in a final epic battle, one they can't hope to win alone."--

Fifteen-year-old twins Sophie and Josh Newman continue their magical training in Paris with Nicholas Flamel, Scatty, and the Comte de Sant Germaine, pursued by Doctor Dee and the immortal Niccolo Machiavelli.

Vern escapes the religious compound where she was raised and gives birth to twins in the forest, raising them away from the influence of the outside world. Her community won't let her go that easily, however, and as they pursue, she breaks the boundaries of humanity, changing her body in uncanny ways in order to protect her family.

"Twin princesses Wren and Rose, separated at birth and raised in two different environments, meet for the first time when they have to fight for the throne while juggling their romantic pursuits"--