This book is a must-have for anyone who wants to master the OS X Mountain Lion operating system. With a comprehensive guide, you'll be able to navigate the system with ease and learn all the tips and tricks to enhance your computer experience. Whether you're a seasoned computer user or a beginner, this book has something for everyone. The Complete Guide to OS X Mountain Lion is written in English and is available in paperback format. It covers topics such as OS 10 and computers, providing a thorough understanding of the system. The author of the book is unknown, but their knowledge and expertise shine through in the comprehensive guide. If you're looking to take your computer skills to the next level, this book is a great resource.