"A First Course in Probability (9th Edition)" by Sheldon Ross is a comprehensive textbook on the subject of probability and statistics. Published by Pearson Education in 2012, this hardcover book contains pages filled with valuable mathematical content. With a clear focus on the fundamentals of probability and statistics, this textbook is a valuable resource for students and professionals looking to deepen their understanding of this essential subject area. Ross's expert authorship and detailed explanations make this book a must-have for anyone interested in exploring the world of probability theory.