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Japanese Mystery
Sogen Suuri Bunko / The small airship "Jellyfish" was developed with special technology and changed the history of aircraft. Six members of the technical development team led by Professor Pfeiffer, the inventor of the small airship "Jellyfish" were in the final confirmation test of the long-distance navigation capability of the new Jellyfish. However, during the navigation test, one of the members was found dead inside the ship in a closed condition. In addition, the automatic navigation system ran out of control, and they were trapped in the snow mountain with the test machine. There was no way to escape, but there were victims one after another. 『 of the 21st century and 』 where there is no one! It is an elaborate and authentic mystery that won the 26th Tetsuya Ayukawa Award, and it is a long-awaited pocket edition.