written by Gerd Krüssmann ; translated by Michael E. Epp ; technical editor, Gilbert S. DanielsTimber Press, in cooperation with the American Horticultural Society1984-1986
article by Hu Yunhua ; photographs by Deng Yongqing and Jin Baoyuan ; illustrations by Wang Zhiying ; edited in Chinese by Zheng GuanghuaTimber Press in cooperation with the American Horticultural Society1982