This book offers a detailed, engaging introduction to rocks, minerals, and fossils, designed for students and enthusiasts alike. Covering 225 carefully selected specimens, it explains key properties- hardness, streak, luster, fracture, and density- with clarity and precision. Each entry includes classification, unique highlights, and fascinating facts, making learning both informative and enjoyable. Organized into two major sections- Rocks & Minerals and Fossils- the book provides well-structured explanations supported by clear illustrations. Complex geological concepts are simplified into lucid descriptions, ensuring easy understanding for beginners. Ideal for undergraduate students across Indian universities, it aligns with academic requirements while remaining compact and concise. Civil engineers, geology aspirants, and curious readers will find this text a valuable reference for both classroom learning and fieldwork. With its student-friendly style and technical accuracy, this book transforms geology from a daunting subject into a captivating journey. Explore how the Earth’s fundamental materials shape our world- and uncover the stories locked inside every stone and fossil