Authors team:

	Waleri B. Kalishev, Chelyabinsk, Russia Hydrometeorologist. Author of several books on weather and folk prognostication, rivers and lakes of the Urals. He also compiled the album "Abnormal forms of cacti and other succulents". He's been growing cacti for more than 20 years and specializes only in colored forms.
	Peter V. Lapshin, Moscow, Russia Ph.D. in Biology, research assistant of Institute for Plants Physiology of Russian Academy of Sciences, Department of cell biology and biotechnology. Chairman of Moscow pot plants club. Interests include leaf succulents and Episcias - plants from Gesneriaceae family.
	Irina TEN, Virginia, USA An interest in cacti and succulents began in 1998 due to the book of iles Anderson. When the book had been read a first cactus was bought nd the collection was born."
	Larisa V. Zaitseva, Chelyabinsk, Russia Translator. Has been growing cacti since 1982. Favorite cacti – Parodias. Other interests – jazz and music of Latin America.
	Yuri A. Yudin, NH, USA, Born in 1970 in St. Petersburg, Russia. In 1982-1986 was a member of St. Petersburg Cactus Club. Primary interests include large-flower Mammillarias and "living rocks" (Ariocarpus, Astrophytum, Aztekium, Epithelantha, etc). Lives in New Hampshire (USA). Works as an engineer in a fiber-optic telecom company.