Mike McNamara's
Complete Guide
to
Sail Trim 
and
Sail Care

(a slightly spiffed-up version of an article that
Mike Mac wrote for the May 1990 Whiffle)

Poul Ammentorp photo
.....
Table of Contents
the Mainsail
the Genoa
Light wind sail set guide
Medium wind sail set guide
Heavy wind sail set guide
the Spinnaker
Sail Care