Book reviewed in this article:Convex transformations of random variables, W. R. VAN ZWETHypothesis Testing Problems with the Alternative Restricted by a Number of Inequalities, W. SCHAAFSMAStochastic Processes, E. PARZEN, Holden‐DayApplied Queueing Theory, A. M. LEE, MacMillanRecent Advances in Mathematical Programming, edited by R. L. GRAVES and PH. WOLFEExercises in probability and statistics, N. A. RAHMANDie Monte‐Carlo‐Methode und ihre Verwirklichung mit elektronische Oigitalrechner, N. P. BusLENKO and J. A. SCHREIDER, B. G. TeubnerMonte Carlo Methods, J. M. HAMMERSLEY and D. C. HANDSCOMBThe art of simulation, K. D. TOCHEREntscheidungskriterien bei Risiko, H. SCHNEEWEISSNumerical models of economic development, A.