Fliegerschule 4. Buch der Mannschaft (“Flight School Book #4”)-Written by Richard Euringer, copyright 1929, and published by Hanseatische Verlagsanstalt Hamburg, this book is written in German. This very used hardcover book measures 7 ½” by 5” and has what looks like some water damage to the top front of the hardcover. The binding has some slight damage where the front cover attaches to the binding. This is a used book, but the inside pages are very clean with no damage whatsoever. Richard Euringer served as an aeroplane pilot in World War I and subsequently headed a Bavarian pilot-training school.