Natural Science Guide
Environmental and Resource Valuation with Revealed Preferences
"Environmental and Resource Valuation with Revealed Preferences: A Theoretical Guide to Empirical Models" provides a systematic review of those economic approaches for valuing the environment and natural resources that use information on what people do, not what they say.
Merchant: eBooks
Canyoneering (Book) by John Annerino
A guide to the fundamental elements necessary for safe and well-prepared canyon exploration. Natural history, earth science, conditioning, preparation and equipment are discussed in detail as potential hazards and how to avoid them. 160 pages.
Merchant: Online Sports