Laser Photobiology and Photo-medicineEdited by S. Martellucci and A. N. Chester (Plenum Press, New York and London, 1985), pp. 328. $55.00. ISBN 0-306-419 15-7.Introduction to Problem Solving in BiomechanicsC. von Heijne Wiktorin and M. Nordin (Lea&Febiger, Philadelphia, 1986), pp. 180. $31-25. ISBN 0-8 12 1-094 1-4.Biological Effects of UltrasoundEdited by W. L. Nyborg and M. C. Ziskin (Churchill Livingstone, New York, Edinburgh, London and Melbourne, 1985), pp. 187.£27.50. ISBN 0443-083 14-2.Radiotherapy Treatment Planning: Second EditionBy R. F. Mould (Adam Hilger Ltd, Bristol, UK, 1985), pp. 256.£19.50/ $29.00. ISBN 0-85274-788-8Frontiers in BiomechanicsEdited by G. W. Schmid-Schonbein, S. L-Y. Woo and B. W. Zweifach (Springer-Verlag, New York, Berlin, Heidelberg and Tokyo, 1986), pp. 398. ISBN 0-387-96 199-2.