The Blue Spring Cave map book is now available for pre-order! The final price is $90, which means I make zero dollars per map book- and you get the whole thing! I have to sell a minimum of 50, so tell your friends and family. You can see the only existing copy of the book in person at the NSS Convention in Huntsville in a little more than a week. They will ship on the 15th of August.
You can pre-order it here:
https://www.indiegogo.com/projects/blue ... /x/7070181