Coincidentally I had bought this book from abebooks.com just a couple weeks before Ms. Sammet's passing. I looked again just now, and there are a few copies ava

Coincidentally I had bought this book from abebooks.com just a couple weeks before Ms. Sammet's passing. I looked again just now, and there are a few copies available for less than $100. However, the prices seem rather higher than they were when I bought my copy.