Let my people go surfing -- Yvon Chouinard

http://amzn.com/1594200726

The seven day weekend -- Ricardo Semler

http://amzn.com/1591840260

Getting Real

http://gettingreal.37signals.com/

--

Also, help flesh out the list of books for startups I just created for HN on my site:

http://www.stormweight.com/lists/books-for-startups?p=OyAXcZ