Seismogenesis in the Eastern United States, a dedicated issue of Seismological Research Letters, Vol. 59, No. 4, is still available. It contains twenty-seven papers and nine abstracts, representing the proceedings of the National Workshop on Seismogenesis in the Eastern United States. There is also an introduction by workshop conveners Wang-Ping Chen and Leonardo Seeber. The issue is dedicated to Otto W. Nuttli. 205 pages. Price is $25.00; orders shipped to California addresses must add 8.25% sales tax. The New Madrid Seismic Zone, a dedicated issue of Seismological Research Letters, Vol. 63, No. 3. It contains twenty-five research papers and an introduction by Arch C. Johnston and Kaye M. Shedlock. 300 pages. This issue is unfortunately out of print, but photocopies may be made of articles for a nominal fee. Contact the office for pricing.