\"Python Machine Learning By Example - Fourth Edition\" by Packt Publishing is a comprehensive textbook exploring machine learning concepts in a practical manner. The book, with real-world use cases and best practices, is geared towards those looking to unlock the power of machine learning through hands-on learning. With a focus on Python and its versatile ecosystem, this edition is a valuable resource for individuals seeking to deepen their understanding of machine theory and general principles in the field of machine learning. Written in English and available in trade paperback format, this textbook offers a thorough and engaging exploration of machine learning for both beginners and experienced practitioners.