Doktor Nikola
By Guy Boothby (translated by Johs. Magnussen)
The mysterious Dr Nikola, with his cat and his cold charm, hires the narrator Wilfrid Bruce, a down-on-his-luck Englishman in Shanghai, to help him reach a hidden lamasery in the interior of China. There, disguised as priests, they mean to steal the secret of how to prolong life. Guy Boothby's popular adventure novel, in a Danish translation.
Summary written with Claude Opus 5.5.