Biggles and Cruise of the Condor

A dull murmur, like distant thunder, reached their ears and brought Biggles to his feet with a rush. ''What is it?'' he gasped.-At the first sound Dickpa had leapt for the flashlight. ''Quick,'' he snapped, as the floor of the cave sagged sickeningly. ''Get out - it''s an earthquake! Ah - stop!'' he screamed. A visit to Biggles'' uncle, Dickpa, lands Biggles, Algy and mechanic Smyth in a dangerous...