The Third Edition started out reasonably strongly but then began to diminish. There did not seem to be a strong justification for a 4th Edition. The table at far left shows that there were significant sales of the Third Edition for twenty years, up to 2005, when it was taken out of print. The total for that period was 39,279 copies, raising the total sales for the three editions to 92,111 copies. "Physics for the Health Sciences" stayed in print for thirty years, 1975-2005. The graph below shows the progression of the yearly sales of the textbook. That graph is a plot of the yearly numbers in the table to the immediate left.
There were mergers of the publishers and the project wound up with Harcourt-Brace. At some point the rights to publish "Physics for the Health Sciences" were transferred to Elsevier, and it continued to market electronic copies after the cessation of printing. Some royalty was received up to 2017 from Elsevier, called "Global Royalty". At that point it was indicated that 3000 electronic copies had been sold.
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