In India, button mushrooms are grown seasonally and in environment controlled cropping houses. White button mushroom requires 20-280 C for vegetative growth (spawn run) and 12-180 C for reproductive growth. Besides that it requires relative humidity of 80-90% and enough ventilation during cropping. Seasonally, it is grown during the winter months in the north-west plains of India and for 8-10 months in a year on the hills. However, with the advent of modern cultivation technology it is now possible to cultivate this mushroom anywhere in India. The growers can take on average 3-4 crops of white button mushrooms in a year depending upon the type and varieties cultivated. Mushroom farming is one of the most profitable agri-business that you can start with a low investment and less space. Mushroom farming in India is growing gradually as an alternative source of income for many people. Worldwide, US, China, Italy and Netherlands are the top producers of mushrooms. In India, Uttar Pradesh is the leading producer of mushrooms followed by Tripura and Kerala. The book contains every single information in detail to cultivate the button mushroom with Proper process, images and table chart. It will become very easy for an Ente.rpreneure or Any person to start Business by Gaining detail Knowledge on Button Mushroom Cultivation Process via these Book