On 3 DVDs with a total running time of 3.5 hours(!), Burkhard Martens and his wife Nina-Renate Brummer present their "DVD-Guide to the Best Flying Sites of the Middle and Eastern Alps". Pictures say more than thousands of words - under this motto the two authors have put this mammoth work together. The 3 DVDs are accompanied by a 84 page book, where each site is accurately described. A lot of tips from above are included in the films. ... more Info !