From publisher blurb:
The Underworld in Aventyr is filled with unique races, but the vestraadi are in a world all their own. This brand new player race for the Pathfinder Roleplaying Game is blind, but they see far more than you’d expect! Read on about the Forever Deep, Song Spheres, and so much more!
In Underworld Races: Vestraadi you’ll find...
a brand new aquatic player race totally unique from all others!
sonar rules for a new approach to blindness in the Pathfinder Roleplaying Game!
favored class options for PCs of any occupation!
new gear—sponged undercoral and underslick!
Intuitive Dodge, Preternatural Hearing, Unnatural Appearance and more new feats!
new magic items like whim of the Current and the resonating bow!
pressure of the Forever Deep and more new spells!
the vestraadi argus paragon class for adventurers that yearn to see it all!