There it was, hanging in the sky above the school: the blazing green skull with a serpent tongue, the mark Death Eaters left behind whenever they had entered a building... wherever they had murdered...
When Dumbledore arrives at Privet Drive one summer night to collect Harry Potter, his wand hand is blackened and shrivelled, but he does not reveal why. Secrets and suspicion are spreading through the wizarding world, and Hogwarts itself

...

Fourteen-year-old Jason Walker is transported to a strange world called Lyrian, where he joins Rachel, who was also drawn there from our world, and a few rebels, to piece together the Word that can destroy the malicious wizard emperor, Surroth.

Ozzy and Sigi must decide whether or not they believe Rin is truly a wizard.

In this novel in the #1 New York Times bestselling Dresden Files, Chicago's only professional wizard takes on a case for a vampire and becomes the prime suspect in a series of ghastly murders.
Harry Dresden has had worse assignments than going undercover on the set of an adult film. Like fleeing a burning building full of enraged demon-monkeys, for instance. Or going toe-to-leaf with a walking plant monster. Still, there’s something...

"There is a door at the end of a silent corridor. And it's haunting Harry Potter's dreams. Why else would he be waking in the middle of the night, screaming in terror? It's not just the upcoming O.W.L. exams; a new teacher with a personality like poisoned honey; a venomous, disgruntled house-elf; or even the growing threat of He-Who-Must-Not-Be-Named. Now Harry Potter is faced with the unreliability of the very government of the magical world and...

Sixteen-year-old Seph, a powerful wizard, gets caught up in a conflict between the Wizard Council, smaller groups with their own agendas, and a rogue politician--the Dragon--whose identity and whereabouts the others seek to know.

The Dresden Files have taken the genre of paranormal mystery to a new level of action, excitement, and hard-hitting magical muscle. Now, in Death Masks, Jim Butcher’s smart-guy private eye may have taken on more than he can handle...
Harry Dresden, Chicago’s only practicing professional wizard, should be happy that business is pretty good for a change. But he also knows that whenever things are going good, the only way...

With her adventurous sister, Meryl, suffering from the the Grey death meek and timid Princess Addie sets out to find a cure.

Harry must uncover a traitor within the Wizards of the White Council, keep a less-than-agreeable warden under wraps, and avoid coming under scrutiny himself. And a single mistake may cost someone his head--someone like Harry.

After walking through the portal in the Tower of the Swallow and narrowly escaping death, Ciri finds herself in a completely different world...an elven world. Time does not seem to exist, and there is no path home. She is stranded, separated from Geralt and her destiny. But she is a child of prophecy, and she will not be defeated. Ciri knows she will need all her training as a fighter and a sorceress to finally rejoin the Witcher and his compaions....