Shadow Man

He has many names, talents, and forms. He has mastered the art of disguise and the skill of transformation. To some, he is known as an adventurer, to others as a carefree libertine, and to a third as a popular writer. In truth, the shadow man makes a living through extortion. But one day, the owner of a company that deals with contract killings offers him to plan the perfect crime…
"Shadow Man," one of Edogawa Rampo's best novels, mentioned by the Strugatsky brothers in "The Doomed Fate"!