Question: What parts of life in many Italian regions is included in an investigative book by Roberto Saviano and includes organized crime in Italy?

Context articles: Gomorrah (film)
Gomorrah (book)
Tatanka (film)
The Drawbridge
Gomorrah (TV series)
List of American mobsters of Irish descent
Roberto Saviano
Malavita
Organized crime in Italy
Vieni via con me

Gomorrah (Italian: "Gomorra" ) is a 2008 Neapolitan-language Italian film directed by Matteo Garrone, based on the book by Roberto Saviano, who also collaborated in the screenplay.
 It deals with the Casalesi clan, a crime syndicate within the Camorra — a traditional criminal organization based in Naples and Caserta, in the southern Italian region of Campania.
Gomorra is a non-fiction investigative book by Roberto Saviano published in 2006 documenting Saviano's infiltration and investigation of various areas of business and daily life controlled or affected by the Italian criminal organization known as Camorra.
Tatanka is a 2011 Italian drama film written, directed and starred by Giuseppe Gagliardi.
 It is based on the short story by Roberto Saviano "Tatanka scatenato".
The Drawbridge is a quarterly newspaper started in London in 2006.
 It is a full-colour independent paper that has published articles by Isabel Allende, J. G. Ballard, John Berger, Terry Eagleton, Umberto Eco, John N. Gray, Eric Hobsbawm, Siri Hustvedt, Etgar Keret, Simon McBurney, Alberto Manguel, DBC Pierre, Tracy Quan, Jonathan Raban, José Saramago, Roberto Saviano, Dubravka Ugrešić, Mario Vargas Llosa, Irvine Welsh, Edmund White and Tobias Wolff alongside photography and drawings by Adam Broomberg & Oliver Chanarin, Brian Cronin, Paul Davis, Jeff Fisher, Paul Fryer, Paul Graham, Jaki Jo, David Moore, Martin Parr, Robert Polidori, David Shrigley, Joel Sternfeld, Emer O'Brien, and Peter Till.
Gomorrah is a 2014 Italian television crime drama series.
 It is based on the book "Gomorrah" by Roberto Saviano and the film "Gomorrah" directed by Matteo Garrone.
This is a list of Irish-American mobsters which includes organized crime figures of predominantly Irish-American criminal organizations or individual mobsters from the early 1900s to the present.
 To be included in this list, the person must have a Wikipedia article and/or references showing the person is Irish American and a mobster.
Roberto Saviano (] ; Naples, September 22, 1979) is an Italian journalist, writer and essayist.
 He is the author of international bestsellers "Gomorrah" and "ZeroZeroZero".
 He is the creator of the TV series "Gomorrah".
La malavita (] ; literally, "the bad life" or "evil life") is an Italian language word with multiple meanings in Italian.
 It is most commonly used to referred to the criminal underworld or "gangland", gang life, the world of racketeering, and organized crime in general, but especially organized crime in Italy.
 More specifically, "malavita" is also used to refer to a culture of crime historically found in certain regions of Southern Italy and often viewed as the result of centuries of government oppression and foreign occupation.
 Within this culture, mafiosi, outlaws, criminals and, historically, brigands are supported or tolerated by local communities and citizens under the code of "omertà".
 Within these communities, criminals or mafiosi may be glorified as folk heroes or Robin Hood-like figures.
Organized crime in Italy and its criminal organizations have been prevalent in Italy, especially Southern Italy, for centuries and have affected the social and economic life of many Italian regions since at least the 19th century.
Vieni via con me "(Come away with me)" is a TV programme presented by Fabio Fazio and Roberto Saviano, broadcast by the Italian public TV channel RAI Tre.
 The show ran on Monday evenings, from 8 November 2010 to 29 November 2010.