When Ted and Kat's cousin Salim disappears from the London Eye ferris wheel, the two siblings must work together--Ted with his brain that is "wired differently" and impatient Kat--to try to solve the mystery of what happened to Salim.

"Miss Penelope Lumley embarks on an investigation into the mysteries surrounding the Incorrigible children, Lord Ashton, the forests of Ashton Place, and her own past"--

Unhappy about his baby sister's illness and the chaos of moving into a dilapidated old house, Michael retreats to the garage and finds a mysterious stranger who is something like a bird and something like an angel.

With the powers they acquire from a spinster who is studying to be a witch, three English children have a series of exciting and perilous adventures traveling on a flying bed that takes them to a London police station, a tropical island, and back in time to the seventeenth century.

"A rogue agent has come in from the cold and wants to spill his secrets. The Organisation wants Ishmael to find out if Frank Parker is who he says he is, what he really knows, and why he has emerged from the shadows after all this time. Ishmael heads to Ringstone Lodge in Yorkshire where Parker is being held to find that an atmosphere of fear and suspicion prevails. As he and his fellow residents are menaced by a series of alarming and inexplicable...

Jane's invitation to witness the making of the Greenwitch begins a series of sinister events in which she and her two brothers help the Old Ones recover the grail stolen by the Dark.

Tolly comes to live with his great-grandmother at the ancient house of Green Knowe and becomes friends with three children who lived there in the seventeenth century.