Book Review: Pursuit of Power: NASA's Propulsion Systems Laboratory No. 1 and 2 Pursuit of Power: NASA's Propulsion Systems Laboratory No. 1 and 2 by Robert S. Arrighi. NASA , 2012 . xiii + 185 pp.; images, notes, index; free downloadable PDF. http://www.nasa.gov/connect/ebooks/pursuit\\_power\\_detail.html.