In a few months, he’s going to die.One MissionJack needs to find seven magic loculi that, when combined, have the power to cure him.One ProblemThe loculi are the relics of a lost civilization and haven’t been seen in thousands of years.Seven WondersBecause they’re hidden in the Seven Wonders of the Ancient World.

      Beneath the glass towers and glittering skywalks, there's a rambling old mansion from which all the company’s amazing inventions spring forth. And no one except Uncle Archie knows what’s behind the second-to-last door at the end of the hall. Until Elliot and Leslie are invited to take a glimpse inside. They find stooped, troll-like creatures with jutting jaws and broken teeth; tiny winged things that sparkle as they fly; and huge, hulking, hairy nonhumans (with horns). It is unlike anything they’ve ever seen! But when Chuck Brickweather threatens to shut down the DENKi-3000 factory if a new product isn’t presented soon, the creatures know they are in danger. And when Uncle Archie vanishes, it’s up to Elliot, Leslie, and every one of the unusual, er, "employees" to create an invention so astonishing it will save The Creature Department.

    Cora is still grappling with the death of her beloved sister in a school shooting, and Quinn is carrying the guilt of what her brother did.On the day of Cora’s twelfth birthday, Quinn leaves a box on her doorstep with a note. She has decided that the only way to fix things is to go back in time to the moment before her brother changed all their lives forever—and stop him.In spite of herself, Cora wants to believe. And so the two former friends begin working together to open a wormhole in the fabric of the universe. But as they attempt to unravel the mysteries of time travel to save their siblings, they learn that the magic of their friendship may actually be the key to saving themselves.

    This world is on the brink of war, and Gregor's arrival is no accident. A prophecy foretells that Gregor has a role to play in the Underland's uncertain future. Gregor wants no part of it -- until he realizes it's the only way to solve the mystery of his father's disappearance. Reluctantly, Gregor embarks on a dangerous adventure that will change both him and the Underland forever.