Operation CrossroadsJonathan M. Weisgall, Washington, Naval Institute Press, 1994 Distributed in UK by Airlife Publishing ISBN 1 55750 9190, 415 pp.,£27.95 pbkCritical Condition: Human Health and the EnvironmentEric Chmanet al.(Eds) Cambridge, MA and London, England, MIT Press, 1993 ISBN 0 262 53118 6, 244 pp.,£14.25 pbkNuclear Choices: A Citizen's Guide to Nuclear TechnologyRichardwolfson Revised Edn MIT Press, 1993 ISBN 0 262 73108 8, 467 pp.,£14.93 pbk