On Jul 2, 2020, at 2:49 PM, Wolfram v.Kiparski <astronwolf@...> wrote:

July 4th - I have a few copies of the Handbook of Model Rocketry, 7th edition leftover from last years' club sale.  These are brand-new books.  I'm selling them for $10 each.  Exact change only.  This is an astounding deal for a new book.  If interested, ask me about it on the field.