Additional Ideas (1)
Waterscribe's Aquaharp manual
A book from a water genasi who wrote under a false name. It describes a form of music making that can also be utilized in sex magic realting to the seduction of human sailors or other humans who might have a reason to be at sea. Notable is the section of the female anatomy, referencing athe existance of a nation that only uses female sailors. The section of men is fairly short and conscise, as if the author abuhored 'the vile creatures'.