Here's this week's Featured Book-of-the-Week available now on Amazon.com! Call Of The Cosmic Wild by James M. Essig Price: $45.95 James M. Essig's "Call Of The Cosmic Wild" includes a relatively easy mathematical and visionary treatment of the subject of interstellar travel. The methods of interstellar travel covered include mainly relativistic rockets but also astrodynamic … Continue reading Amazon Featured Book-of-the-Week