Topics in Chemical Mutgenesis: Series Editor F J de Serres. Volume 1: Genotoxicity of N-nitroso. Compounds, edited by T K Rao, W Lijinsky and J L Epler. pp 271. (1984). Volume 2: Single-cell Mutation Monitoring Systems, edited by A A Ansari and F J de Serres. pp 289. 1984. both $39.50 ISBN 0-306-41445-7 (Vol 1) and 0-306-41537-2 (Vol 2)