"Test of Reasoning" by Jaikishan Premkishan, published by Arihant Publications, is a comprehensive guide to reasoning skills for competitive exams. It covers a wide range of topics including logical reasoning, verbal reasoning, non-verbal reasoning, and analytical reasoning. The book provides detailed explanations, solved examples, and practice questions to enhance problem-solving abilities. With a focus on improving speed and accuracy, it helps students prepare for exams like SSC, Bank PO, UPSC, Railway, and other government recruitment tests. The book is structured for both beginners and advanced learners, making it a valuable resource for exam aspirants.