In the floating city of Sanctaphrax, fusty old professors scheme and bicker with each other as they study the weather in minute detail - mistsifting, fogprobing, researching the air blowing in from beyond the Edge. But some experiments are best left alone.

Don't get yourself noticed and you won't get yourself hanged. In the faery slums of Bath, Bartholomew Kettle and his sister Hettie live by these words. Bartholomew and Hettie are changelings - Peculiars - and neither faeries nor humans want anything to do with them. One day a mysterious lady in a plum-colored dress comes gliding down Old Crow Alley. Bartholomew watches her through his window. Who is she? What does she want? And when Bartholomew witnesses the lady whisking away, in a whirling ring of feathers, the boy who lives across the alley - Bartholomew forgets the rules and gets himself noticed.

Nathaniel is eleven-years-old and a magician's apprentice, learning the traditional art of magic. All is well until he has a life-changing encounter with Simon Lovelace, a magician of unrivaled ruthlessness and ambition. When Lovelace brutally humiliates Nathaniel in public, Nathaniel decides to speed up his education, teaching himself spells far beyond his years. With revenge on his mind, he masters one of the toughest spells of all and summons Bartimaeus, a five-thousand-year-old djinni, to assist him.

A sinister problem has occurred in London: all nature of ghosts, haunts, spirits, and specters are appearing throughout the city, and they aren't exactly friendly. Only young people have the psychic abilities required to see - and eradicate - these supernatural foes. Many different Psychic Detection Agencies have cropped up to handle the dangerous work, and they are in fierce competition for business.

The Tower of Babel is the greatest marvel in the world. Immense as a mountain, the ancient Tower holds unnumbered ringdoms, warring and peaceful, stacked one on the other like the layers of a cake. It is a world of geniuses and tyrants, of airships and steam engines, of unusual animals and mysterious machines. Soon after arriving for his honeymoon at the Tower, the mild-mannered headmaster of a small village school, Thomas Senlin, gets separated from his wife, Marya, in the overwhelming swarm of tourists, residents, and miscreants.

England, 1851: When Clara Chapman receives an intriguing invitation to spend Christmas at an English manor home, she is hesitant yet feels compelled to attend - for if she remains the duration of the 12 day celebration, she is promised a sum of 1,000 pounds. But is she walking into danger? It appears so, especially when she comes face to face with one of the other guests - her former fiancé, Benjamin Lane.

Once there were hundreds of members of the Oversight, the brave souls who guard the borders between the mundane and the magic. Now there are only five. When a vagabond brings a screaming girl to the Oversight's London headquarters, she could answer their hopes for new recruit, or she could be the instrument of their downfall.

When 14-year-old Will Burrows goes looking for his missing father, he discovers an underground world that time forgot. Ruled by a brutal class called the Styx, "The Colony" has not changed in a hundred years. Into this dark and mysterious place go Will and his friend Chester, unsure what they will find and oblivious to the dangers ahead. Before long their extraordinary adventure unearths a terrible secret - one that may cost them their lives.

When their grandmother Sylvie is rushed to the hospital, Ivy Sparrow and her annoying big brother Seb cannot imagine what adventure lies in store. Soon their house is ransacked by unknown intruders, and a very strange policeman turns up on the scene, determined to apprehend them with a toilet brush. Ivy and Seb make their escape only to find themselves in a completely uncommon world, a secret underground city called Lundinor where ordinary objects have amazing powers.

A winter’s night, Venice, 1815. A 217-year-old dog is searching for his lost master. So begins the journey of Tomorrow, a dog who must travel through the courts and battlefields of Europe - and through the centuries - in search of the man who granted him immortality. His adventures take him to the London Frost Fair, the strange court of King Charles I, Versailles, the golden age of Amsterdam, and to 19th-century Venice. Tomorrow befriends both animals and humans, falls in love (only once), marvels at the human ability to make music, despairs at their capacity for war....

When Brendan Doyle is flown from America to London to give a lecture on Samuel Taylor Coleridge, little does he expect that he will soon be traveling through time and meeting the poet himself. But Brendan could do without being stranded penniless in the teeming, thieving London of 1810.

As fog descends, obscuring the gas lamps of Victorian London, werewolves prowl the shadows of back alleys. But they have infiltrated the inner circles of upper-crust society as well. Only a handful of specially gifted practitioners are equipped to battle the beasts.

Newly arrived in New Fiddleham, New England, 1890, and in need of a job, Abigail Rook meets R. F. Jackaby, an investigator of the unexplained with a keen eye for the extraordinary - including the ability to see supernatural beings. Abigail has a gift for noticing ordinary but important details, which makes her perfect for the position of Jackaby’s assistant.

Fleeing to London with a witch hunter on her trail, Alyce discovers her own dark magic and lands herself embroiled in the struggle. Alyce's mother has just been burned at the stake for practicing witchcraft. With only a thin set of instructions and a witch’s mommet for guidance, Alyce must face the world that she’s been sealed off from - a world of fear and superstition. With a witch hunter fast on her trail, she’ll need the help of an innkeeper and a boy looking to discover the truth behind his own mother's past.

The foggy streets of London's Whitechapel district have become a nocturnal hunting ground for Jack the Ripper, and no woman is safe. Flower girl Constance Piper is not immune to dread, but she is more preoccupied with her own strange experiences of late. Clairvoyants seem to be everywhere these days. In desperation, even Scotland Yard has turned to them to help apprehend the Ripper.