Meg Murry and her friends become involved with unearthly strangers and a search for Meg's father, who has disappeared while engaged in secret work for the government.

Thirteen-year-old Atticus "Tick" Higginbottom begins receiving mysterious letters from around the world signed only "M.G.," and the clues contained therein lead him on a journey to the perilous 13th Reality and a confrontation with evil Mistress Jane.

Faced with a dull summer in the city, Jane, Mark, Katharine, and Martha suddenly find themselves involved in a series of extraordinary adventures after Jane discovers an ordinary-looking coin that seems to grant wishes.

When Jax wakes up to a world without any people, he assumes it's the zombie apocalypse. But when he runs into his eighteen-year-old guardian, Riley Pendare, he learns that he's really in the Eighth Day -- an extra day sandwiched between Wednesday and Thursday. Some people -- like Jax and Riley -- are Transitioners, able to live in all eight days, while others, including Evangeline, the elusive teenage girl who's been hiding in the house next door,...

When he goes to spend the summer with his great-aunt in the family's old house, eleven-year-old Drew is drawn eighty years into the past to trade places with his great-great-uncle who is dying of diptheria.

"When Patrick takes a trip alone in the Imagination Station for science project research, things get a little explosive. First, his cousin Beth gets angry that she was left behind. Second, Eugene Meltsner sees red when he realizes that Patrick went to Pompeii in 79 A.D. a day before Mount Vesuvius erupts! It doesn't help that the Imagination Station is on the blink and Whit has gone missing.As Beth and Eugene frantically try to find a way fix the...

After thirteen-year-old Tucker Feye's parents disappear, he suspects that the strange disks of shimmering air that he keeps seeing are somehow involved, and when he steps inside of one he is whisked on a time-twisting journey trailed by a shadowy sect of priests and haunted by ghostlike figures.

Presents the continuing adventures of Henry York, who has been living in Kansas with his cousins, where he discovers doorways leading to other worlds and becomes involved in a multi-world struggle between good and evil.

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.

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.