Material for this book has previously appeared in: Japanese cooking for two / Kurumi Hayter. 1996 ; Step-by-step sushi /Katsuji Yamamoto and Roger Hicks. 1990.
The sushi cookbook : a step-by-step guide to this popular Japanese food by Katsuji Yamamoto. ISBN 1840921722. Published by Apple in 2000. Publication and catalogue information, links to buy online and reader comments.