National Research Council 
Policy Issues in Aerospace Offsets [PDF ebook] 
Report of a Workshop

Saps, Blackjacks and Slungshots: A History of Forgotten Weapons discovers and preserves the story of the most forgotten weapons from history for the first time in history. These unique fighting tools …

History of Europe describes the history of humans inhabiting the European continent since it was first populated in prehistoric times to present, with the first human settlement between 45, 000 and 2 …

HIV medications can help lower viral load, fight infections, and improve the quality of life. They can lower chances oftransmitting HIV, but if taken them incorrectly, it can be transmitted to others …

A tracheostomy is a surgically created opening in the neck leading directly to the trachea (the breathing tube). It ismaintained open with a hollow tube called a tracheostomy tube. A tracheostomy is …

This book "The Text Book of Electronics" is written on the basis of syllabus of BSc Vth sem students of 10+2+3 system of Guru Nanak Dev University Amritsar. It also meets the requirements o …

The Student, Anatomy of Exercise Manual clearly explains how to properly execute 50 essential exercises, providing tips aimed at different fitness levels and warnings to avoid injury. Detailed, full- …

Different containers are designed to hold different things. Learn about shapes and categorizing with this fun STEAM book for kindergarten that makes it easy for parents and teachers to introduce STEA …

This Spanish book teaches students about the causes of wildfires, how firefighters put them out, the differences between different types of fire, how to prevent wildfires, and the aftereffects of wil …

Yellowstone National Park is filled with many beautiful sights. But, it is also a bizarre and dangerous place! Underground heat melts roads. The ground shakes with earthquakes. Small, bubbling pools …

This fun and informative STEAM book about sharks makes it easy for parents and teachers to introduce STEAM to their youngest learners. Created in collaboration with Smithsonian, this Spanish book use …