Costa Rica's tourism board loves to boast that although this nation is only .03% of the world's land mass, the small Central American country contains 6% of the globe's bio-diversity. Ok, whatever. One thing is crystal clear. Costa Rica's eco-tourism has bolstered the country from 'up and coming' to 'What? You haven't been there yet?'. In the United States, Lonely Planet sold more copies of their guide to Costa Rica than any other LP in 2003. Here are a few of the most up-to-date, informative and enjoyable books on the market to help plan and inspire your trip to Costa Rica.