The Invisible Detective Series by Justin Richards

Who is the Invisible Detective? To the people of London, 1936, he's a shadowy crimefighter whose face has never been seen. Truth is, he's the creation of four extraordinary kids who solve mysteries in his name. And neither an army of murderous zombie mannequins nor a subterranean monster can stop the Invisible Detective once the kids are on the case. Meanwhile, in present day, fourteen-year-old Arthur Drake finds the casebook of the Invisible Detective in a strange old antique store... moreWho is the Invisible Detective? To the people of London, 1936, he's a shadowy crimefighter whose face has never been seen. Truth is, he's the creation of four extraordinary kids who solve mysteries in his name. And neither an army of murderous zombie mannequins nor a subterranean monster can stop the Invisible Detective once the kids are on the case. Meanwhile, in present day, fourteen-year-old Arthur Drake finds the casebook of the Invisible Detective in a strange old antique store. Stranger still, the casebook is in his own handwriting. With a little help from his grandfather, Arthur not only uncovers his link to the Invisible Detective, but soon finds himself plunged into mysteries of his own. Filled with spine-tingling suspense and a good dose of humor, The Invisible Detective is a fun new series that will leave mystery fans hungry for more. less

The Invisible Detective's young protgs are on their most dangerous case yet. A mad scientist is creating an army of mutant soldiers. Worse, their adult friend Charlie is mixed up with the soldiers. Can the gang stop the soldiers and save Charlie before it's too late?

London, today: Arthur Drake finally has 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 ... London, 1937: 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... moreLondon, today: Arthur Drake finally has 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 ... London, 1937: 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. An extraordinary pocket watch that seems to rewind time itself leads the children to investigate a strange clock shop. But what appears to be wrong with the shop's customers, and how are these events linked to a shipwreck in Cornwall? Only the Invisible Detective can find out ... --P. [4] of cover. less

The sixth astounding case for The Invisible Detective.