High Citadel
Desmond Bagley
 A small, passenger plane is hijacked by its co-pilot over a mountain range in South America causing a crash landing in which the hijacker dies. Unbenknownst to the pilot and other passengers, among their number is Senor Aguilla, the former president of the country, and his niece, who were returning to the country under a pseudonym. Aguilla had been deposed by a military coup, and now a communist faction wants him dead since they fear he will be a problem for a communist takeover of the country. The hi-jacker′s associates soon arrive at the isolated area, but are separated from Aguilla and the other survivors of the crash by a gorge. There is a damaged bridge between the two sides, which the villains are prevented from crossing by the passengers. As the plot unfolds, the majority of the passengers remain nearby to maintain the stand-off while two set off to cross the mountain range to reach divisions of the country's air force loyal to Aguilla and bring help. The ‘citadel′ at which the siege is maintained becomes increasingly threatened as reinforcements for the villains arrive with prefabricated materials to repair the bridge and storm the position with vehicles. A medieval historian and an engineer manufacture a variety of weapons to prolong the siege as the novel reaches its gripping climax. ja:高い砦