This series provides a venue for longer reviews of current advances in geophysics. Written at a level accessible to graduate students, the articles serve to broaden knowledge of various fields and may be useful in courses and seminars.B.D. Malamud and D.L. Turcotte, Self-Affine Time Series: Generation and Analysis. J.D. Pelletier and D.L. Turcotte, Self-Affine Time Series: Applications and Models.PRAISE FOR THE SERIES 'This series has provided workers in many fields with invaluable reference material and criticism.' SCIENCE PROGRESS 'Should be on the bookshelf of every geophysicist.' PHYSICS TODAY 'The entire series should be in the library of every group working in geophysics.' AMERICAN SCIENTIST