A book about “aggressive” and “non-aggressive” youth subcultures
has been published . The scientific and methodological manual "Informal youth communities of St. Petersburg: Theory, practice, methods of preventing extremism" , prepared by the St. Petersburg city center for the prevention of neglect and drug addiction of minors "Contact", The manual was prepared by a team of authors: V.P. Gushchin, I.S. Bugakov, A.E. Lutsberg, I.S. Cherepenchuk, S.V. Malinovskaya, under the general editorship of Dr. Sots. n. A.A.