Preface. V.S. Arpaci, Microscales of Turbulent Heat and Mass Transfer. C.Y. Wang and P. Cheng, Multiphase Flow and Heat Transfer in Porous Media. E.F.C. Somerscales and A.E. Bergles, Enhancement of Heat Transfer and Fouling Mitigation. K.D. Kihm, Laser Speckle Photography Techniques Applied for Heat and Mass Transfer Problems. V. Prasad, H. Zhang, and A. Anselmo, Transport Phenomena in Czochralski Crystal Growth Processes. Subject Index.