Simplify the following text for a Grade 9 native English-speaking person.
Original: Still , Redon remained relatively unknown until the appearance in 1884 of a cult novel by Joris-Karl Huysmans titled , Ã rebors ( Against Nature ) .
Simplified: Still , Redon remained unknown until the appearance in 1884 of a cult novel by Joris-Karl Huysmans titled , Ã rebors ( Against Nature ) .