Taipei: Caves Books Ltd.==External links=====General ballooning sites===* Hot Air Ballooning – How balloons fly, list of balloon clubs, free classified ads for balloonists* Hot Air Balloon Web Links* Hot Air Balloon Simulator – learn the dynamics of a hot air balloon on the Internet based simulator.
" Science and Civilization in China: Volume 4, Physics and Physical Technology, Part 2, Mechanical Engineering".