Question: Henri van Gooven's most successful work was the novel Tropenwee, which was similar to a novella by Joseph Conrad, about a voyage up what river?
Sentence (from "Henri van Booven"): His most successful work was the novel Tropenwee (1904) ('Tropical agony'): a thinly veiled autobiographical literary report of a mission to Congo in 1898, somewhat similar to Heart of Darkness.
Relevant evidence: Yes