Biological Science - R Soper Pdf

I am trying to locate a digital copy (PDF) of the textbook Biological Science by R. Soper. I understand this is a well-regarded introductory text, particularly for foundational biology courses, but I have been unable to find a legitimate PDF version through standard search engines.

Any guidance on locating this specific text (full title and ISBN would be very helpful, if known) would be greatly appreciated. biological science r soper pdf

Request for PDF: Biological Science by R. Soper I am trying to locate a digital copy

Thank you for your time.