The book contains the method of the testament of the color rays of light, given by the Master Beinsa Duno. In the year 1912 the Master Beinsa Duno sprend two months in the village of Arbanassi (Bulgarien), writing this book. The verses are taken from the Old and the New Testament. These verses are representative of the colour rays of light: red, orange, yellow, green, blue, violet, amethyst and diamond. The power of these verses is in theis connection with the solar colours. When one wishes to work with this book – for example for the attainment of a virtue, to heal himself of an illnes, to overcome some obstacle or a similar purpose, can use the method of the color rays of light.