The book, "REASONING GURU 2.0," is a comprehensive guide for competitive exams, designed to help students master reasoning skills. It covers all chapters of reasoning with theory, previous year questions, and detailed explanations. Prepared by Vikranjeet Sir and his team, the book focuses on the latest questions from exams like SSC CGL, CHSL, CPO, MTS, Banking, and Railway. It is written in a student-friendly and lucid language, with solutions provided in a mix of Hindi and English to facilitate easy understanding. The book's primary purpose is to provide an exam-oriented approach, serving as a compilation of past questions to help students achieve high scores in the reasoning section, which is often a key factor in selection.