Quanta version of Jan Jones Superbasic Handbook

While working on a small SBASIC program QLHeaven had a need to consult on the usage of a superbasic keyword in a copy of Jan Jones Superbasic handbook that had been bought from Quanta. Pages 171 and 172 which contained the crucial information were missing. No evidence that they had ever existed in the book. This was not a big deal as there was also a copy of RWAP's SBASIC Reference manual to hand. But QLHeaven wonders if any other copies of Quanta's version of Jan Jones book were missing pages or if indeed this was a rare copy of the book that could be worth a fortune in years to come!