If you are interested in the geology of Kauai then these are the products you want! 

Kauai Island Atlas and Map, by Environmental Designs

$7.00 USD

These great maps are highly detailed and contain lots of Kauai information!

Kauai's Geologic History, by Environmental Designs

$25.00 USD

This essential book of Kauai geology is written by Chuck Blay and Robert Siemers! If you are a fan of Kauai then this books is a MUST-HAVE!