its hard to find a book from your location, "no where". (joke)
Michael is not yet the head of the family in this book. this happened in GF1 when Mikey was exiled in Sicily after shooting McCluskey and Sollozzo. the story started when he was about to come home to America but recieved a message that he was to bring Turi Giuliano with him. Turi's dad worked once for Don Vito. i don't remember Mikey and Clemenza faced any enemy in the story, their job is to get Giuliano and bring him to America with them in the orders of Don Vito. the book obviously is about Turi Giuliano, Mikey was almost an "extra" (dont know if thats the right term) in this book. hope you find the book. . .

GoodFella