'... this book is certainly by far the best available in its category, be it for the clarity of exposition or for the vast amount of literature which is browsed ... Who should consult this book with profit? Everybody interested in modelling or simulations of rarefied flows ...'. Cedric Villani, European Journal of Mechanics B Fluids '... fills a gap in the existing literature ... this excellent book is clear and well written.' Mario Pulvirenti, Rarefied Gas Dynamics '... a very informative and excellently written book with comprehensive cross referencing ... a recommended read.' J. K. Harvey, Journal of Fluid Mechanics