First edition thus (first published by Hurst and Blackett 1912), published by Pearson in 1914 (One of Pearson's six penny novels)
Condition: Vg, 136pp + publisher's catalogue and advertisements at the rear. Large paperback with illustrated covers, very light wear to the corners and spine tips, a couple of scuffs along the spine hinges, covers are really in very attractive condition. Pages are uniformly toned, but tightly bound and clean, an excellent copy. The superb cover illustration depicts the terrifying Doctor death with a syringe in his hand in the bedroom of a terrified young woman. Scarce in any condition
*Macabre mystery about a sinister, murderous Doctor, who also leads a criminal gang. What was it that Sherlock Holmes said in 'The Speckled Band'? "When a doctor goes wrong he is the first of criminals. He has nerve and he has knowledge"