The Advanced Problems in Mathematics for JEE (Main & Advanced) by Vikas Gupta and Pankaj Joshi, published by Shri Balaji Publications, is a comprehensive and highly regarded resource for students preparing for one of India's most competitive engineering entrance examinations. Now in its 12th Edition (2026), this book — popularly known as the 'Black Book' — has been a trusted companion for JEE aspirants across the country. It covers a wide range of advanced mathematical concepts and problem types, carefully curated to match the difficulty level and pattern of both JEE Main and JEE Advanced. The book is thoughtfully structured to build analytical thinking and problem-solving skills. As a special combo offer, purchasing the genuine book at MRP ₹498 also gets you a free printed book of 10 Years Previous Year Questions (PYQs) worth ₹350, making it an exceptional value for serious aspirants. Whether you are aiming to strengthen your fundamentals or tackle the most challenging problems, this edition is an indispensable addition to your JEE preparation toolkit.