The review summarizes the author's impression of the book «Nuclear factor in U.S.-Indian relations (1991-2008)» by S.A. Oborotov. It emphasizes the high relevancy of the questions raised in the monograph in the light of «third nuclear powers'» increasing role in international security and impact of nuclear factor on international relations. It also highlights the originality of the Oborotov's approach and the comprehensiveness of the analysis of such issues as the nuclear factor's role in Indian foreign policy, the motivation behind acquiring nuclear weapons, the essence and the consequences of U.S. «engagement» policy.