The book "Mushroom Culture: Its Extension and Improvement" is written by William Robinson and is devoted to the study and improvement of methods of growing mushrooms. In his book, the author considers various aspects of mushroom culture, starting from the choice of soil and the reproduction of mushroom spores, and ending with issues of storage and use of the harvest. Robinson talks in detail about various types of mushrooms, their properties and peculiarities of cultivation in any conditions. This book will be a valuable source of information both for beginners in mushroom growing and for experienced professionals who want to deepen their knowledge in this field.