Atlas of finite groups, by J. H. Conway, R. T. Curtis, S. P. Norton, R. A. Parker and R. A. Wilson. Pp 252. £35·00. 1985. ISBN 0-19-853199-0 (Oxford University Press) - Projective representations of finite groups, by G. Karpilovsky. Pp 664. $107·50. 1985. ISBN 0-8247-7313-6 (Marcel Dekker) - Finite groups of Lie type: conjugacy classes and complex characters, by R. W. Carter. Pp 544. £42·50. 1985. ISBN 0-471-90554-2 (Wiley)