This book is comprehensive enough to be suitable for both beginners and enthusiasts knowledgeable orchid; he gives each species a historical, host countries, the required temperature, brightness, advised substrate, water and fertilization. It is clear and with many photos taken as close, which helps in identification. And do not think that these beautiful flowers are reserved for specialists! They will wisely wait at home even if you are away for a fortnight .... So do not deprive yourself!