Molecular gas dynamics and the direct simulation of gas flows: GA Bird Oxford engineering science series: 42. Oxford University Press, 1994, reprinted with corrections 1995. Included with the book is the provision of a disk, of the FORTRAN source code of a set of thirteen demonstration programs. These are based on the “direct simulation Monte Carlo” (DSMC method). 458 pp. £70.00 $90.00. ISBN 0 19 856195 4