21st Century Geothermal Technologies Program: Multi-Year Research, Development, and Demonstration Plan through 2025, Enhanced Geothermal Systems, Hydrothermal Fields, Reservoirs, Drilling    by Progressive Management
Price: $9.99 USD. 40180 words. Published on February 22, 2011. .
Geothermal resources are available across the United States at varying depths, providing a ubiquitous buried treasure of domestic renewable energy. Enormous amounts of hydrothermal geothermal energy is available in the western United States, but theoretically, geothermal sources are available across the United States.

Ocean life: expeditions and essays exploring the abyss    by Jon Copley
Price: Free! 17860 words. Published on February 4, 2012. .
Follow recent scientific expeditions exploring volcanic vents on the ocean floor, where hot mineral-rich water nourishes lush colonies of deep-sea creatures, with articles about the search for new species of marine life in previously unseen parts of our planet.