Book 1

Double Life

by Justin Richards

Published 5 April 2007

Book 1

The Invisible Detective

by Justin Richards

Published 1 January 2005
After finding a mysterious stone and an old casebook, fourteen-year-old Arthur finds himself remembering the 1936 adventures of a boy named Art who, under the identity of the Invisible Detective, works with three friends in London to solve the mystery of sinister puppets who are replacing real people.

Book 2

The Shadow Beast

by Justin Richards

Published 2 June 2003
London, Today: Arthur Drake is only just beginning to understand how he is linked the Invisible Detective's casebook written over eighty years ago. But there's no time to investigate further - a monster is loose in the city, and Arthur must get help from the past... London, 1936: Whatever your problem, the Invisible Detective can find the answer. He is a mystery, an enigma. In fact, the truth about the Invisible Detective is known by only four children - the ones who created him. How can a daring bank robbery be linked to a missing cat? And why are the local rats overrunning houses and attacking people? Only the Invisible Detective can discover the answers as the kids hunt the robbers - and track down a monster...

Book 3

Ghost Soldiers

by Justin Richards

Published 31 December 1999
London, Today: Arthur Drake is haunted. He is haunted by memories from 1936 that are not his own. He is haunted by a girl from school who turns up where and when he least expects it. He is haunted by the ghosts in a deserted and derelict old house… London, 1936: Whatever your problem, the Invisible Detective can find the answer. Only four children know the truth about this mysterious private investigator… because they created him. Now they solve crimes and mysteries in his name. Investigating a strange death and a haunted house, Art and his friends are drawn into a mysterious world where nothing is what it seems, and nobody can be trusted. There are monsters on the streets of London, dressed as soldiers and trained to kill. As a terrifying plan is put into action, only the Invisible Detective can stop the Ghost Soldiers…

Book 4

Killing Time

by Justin Richards

Published 22 September 2000
A Mysterious Shipwreck Cornwall, today: Arthur Drake at last has some time to think about the Invisible Detective and a past life that seems somehow linked to his own. But then he meets the ghosts of sailors shipwrecked over a century ago… An Extraordinary Watch London, 1937: Whatever your problem, the Invisible Detective can find the answer. But no one suspects that he¹s just a front for four children who solve crimes and mysteries in his name. A pocket watch that seems to rewind time itself leads the children to investigate a strange clock shop. What is wrong with the shop's customers? How are events linked to a shipwreck in Cornwall? Where has Meg vanished to? It is up to the Invisible Detective to find out.

Book 5

The Faces of Evil

by Justin Richards

Published 5 April 2004
London, 1937: The Invisible Detective can solve any mystery, great or small - but no one's ever seen his face. Truth is, the detective is the creation of four extraordinary kids who combat crime in his name… Who is the misshapen figure stalking the streets after dark? When people start to die, the Invisible Detective is called in. But can Art and his friends find the inhuman killer before the killer finds them? The past is far from dead, as Arthur finds out when he wins the chance to spend a weekend at a country house. He may have won a competition, but he is in danger of losing everything - including his own life…

Book 7

Stage Fright

by Justin Richards

Published 5 September 2005
London, 1937: The Invisible Detective can solve any mystery, great or small - but no one's ever seen his face. Truth is, the detective is the creation of four extraordinary kids who combat crime in his name… London, today: Arthur Drake is intrigued to discover that the haunted Castle Theatre is to open again. But when he and his friend Sarah explore the old theatre, Arthur starts behaving oddly. Somehow, he just isn't quite himself... A haunted theatre is the latest case brought to the Invisible Detective. But how is the theatre linked to the strange behaviour of a top civil servant? Art and his friends find themselves caught up in a world of intrigue where no one is what they seem and even their best friends can't be trusted. Can they solve the mystery before the final curtain?

Book 8

Legion of the Dead

by Justin Richards

Published 5 September 2005
London, 1937: The Invisible Detective can solve any mystery, great or small - but no one's ever seen his face. Truth is, the detective is the creation of four extraordinary kids who combat crime in his name… London, today: Arthur Drake is not impressed by a publicity stunt. But if a celebrity wants to get lowered into the Thames in a glass box, that's his problem. Or is it? Soon Arthur discovers that it could spell disaster for millions of people. A Roman coin, a strange burglary, and a mysterious attack outside a graveyard. When Art and his friends investigate, they discover more than they bargained for - a missing treasure, a ghostly figure, the legend of a lost Roman legion. What has counterfeit money got to do with an ancient pagan spirit of darkness? Can they solve the mystery in time to avert disaster?

In this exciting, rip-roaring series of fast-paced adventures for 9-12s, a young teen from the present day finds himself sharing the memories and dreams of a boy from the 1930s...One of a small gang of junior sleuths masquerading as the all-seeing Invisible Detective. London, today: When fourteen-year-old Arthur Drake shelters from the rain in a dusty shop, the last thing he expects to find is the antique casebook of The Invisible Detective. It may have been written in the 1930s, but it's in his handwriting...London, 1936: Whatever your problem, the Invisible Detective can find the answer. He is a mystery, an enigma. In fact, the truth about the Invisible Detective is known by only four children with their own special talents. Meg can spot instantly if you're lying. Jonny can run faster than anyone. Flinch can squeeze through the smallest of gaps. The gang's leader, the boy who invented the Invisible Detective and writes his casebook, is Art Drake. Together the children use their special skills to solve crimes and mysteries. But who'd listen to a bunch of kids? Now the gang is about to take on their most sinister case so far.
When an incredible touring exhibition takes over their den, the Invisible Detective must deal with disappearing people, faceless bodies, and some deadly puppets...

The Web of Anubis

by Justin Richards

Published 2 August 2004
London, 1937: The Invisible Detective can solve any mystery, great or small - but no one's ever seen his face. Truth is, the detective is the creation of four extraordinary kids who combat crime in his name… AN ANCIENT CURSE A new exhibit at the British Museum is hardly a matter for the Invisible Detective. Until it goes missing. When Art and his friends investigate an ancient Egyptian curse, they discover that things are much more serious than anyone suspected. Within a hidden tomb, a timeless terror is stirring, and the dead begin to waken. In the present day, Arthur Drake and his friend Sarah find that a history project can be dangerous, and that the Invisible Detective has left them some unfinished business to attend to…