While spending the summer in a house by the sea, four cousins, Roger, Ann, Eliza, and Jack, discover a bank of wild thyme whose magic propels them on a series of adventures back and forth through time.

As Arthur Penhaligon seeks to find the seventh key, complete his quest to save the Kingdom to which he is heir, and learn his true identity, he discovers that he has a greater purpose than he could have imagined.

When eleven-year-old Olive and her distracted parents move into an old Victorian mansion, Olive finds herself ensnared in a dark plan involving some mysterious paintings, a trapped and angry nine-year-old boy, and three talking cats.

Among the ashes of a dying world, an agent of the Commandant finds a letter. It reads: Burn before reading. Thus begins an unlikely correspondence between two rival agents hellbent on securing the best possible future for their warring factions. Now, what began as a taunt, a battlefield boast, grows into something more. Something epic. Something romantic. Something that could change the past and the future. Except the discovery of their bond would...

The Next--the hyper-intelligent post-humans--realize that the missive they received from the center of the galaxy contains instructions for kick-starting the development of an immense artificial intelligence knows as The Machine. But to build this computer the size of an Earth continent, they must obtain help from the more populous and still industrious worlds of mankind.

"Four mysterious letters change Miranda's world forever. By sixth grade, Miranda and her best friend, Sal, know how to navigate their New York City neighborhood. They know where it's safe to go, like the local grocery store, and they know whom to avoid, like the crazy guy on the corner. But things start to unravel. Sal gets punched by a new kid for what seems like no reason, and he shuts Miranda out of his life. The apartment key that Miranda's mom...

After plummeting through a hole in her backyard and finding herself once again in the room of mysterious jars, eleven-year-old Olive unwittingly releases two of Elsewhere's biggest, most cunning, most dangerous forces.

"Stephen W. Hawking has achieved international prominence as one of the great minds of the twentieth century. Now, for the first time, he has written a popular work exploring the outer limits of our knowledge of astrophysics and the nature of time and the universe. The result is a truly enlightening book: a classic introduction to today's most important scientific ideas about the cosmos, and a unique opportunity to experience the intellect of one...

When Olive Dunwoody takes her friends trick-or-treating, they're in for a shock--and being follwoed by an ominous creature is only the beginning. Strangers have come to Linden Street, and they seem awfully interested in Olive's house and in portals to Elsewhere. Can Olive trust them? -- from publisher.

Eleven-year-old Olive finds herself drawn to the grimoire of the witches who built her house and tries to use its spells to uncover the house's magic and control the cats themselves, but the book is more wicked than it seems.