Built of titanium and a chrome-nickel alloy known as Inconel X, the X-15 was the fastest plane ever built, streaking through the lower reaches of outer space even before the first space capsules reached orbit. This title presents the dramatic tale of the golden age of this experimental plane.

Although the 21st century may seem to be an unlikely stage for the return of the Black Death, the authors argue differently. They suggest that the plague is not dead and has merely remained dormant, and that the disease can be spread by human contact in a similar manner to AIDS or Ebola.

The Black Death of the 14th century was the most terrible and notorious killer of its time. This book explain why the Black Death couldn't possibly have been bubonic plague.

A practice-oriented manual, which teaches the examination technique developed and taught by the author known as Graf's technique . The first part includes the fundamentals of hip sonography, static as well as dynamic techniques, anatomical identification of the echograms, typing, a measurement technique and usability check.