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There are apparently two NASDS basic instruction books with the same name - SAFE SCUBA
The 1970 edition was authored by the late Bill Hogan, the later 1980 edition was authored by the popular Tony Zimos
I am searching for a later "zimos" edition of SAFE SCUBA
Any one with an extra copy ? For sale or trade?
Sam Miller, 111
The 1970 edition was authored by the late Bill Hogan, the later 1980 edition was authored by the popular Tony Zimos
I am searching for a later "zimos" edition of SAFE SCUBA
Any one with an extra copy ? For sale or trade?
Sam Miller, 111