sentences:  His specialization has been in trade with Comecon countries that include East Europe and former USSR.After retirement, he turned a freelance writer and specializes in the study of Indian art and culture.His particular fascination with the performing arts inspired him to spend nearly seven years researching in the libraries and museums of England and the U.S.A. to enable him produce the sumptuously illustrated 'Nautch Girls of India' in 1996.