Valda Rūmnieka 75 gadu jubilejai veltīta grāmatu izstāde “Pūķa zelts” is a thematic book exhibition in Inčukalns at Inčukalna bibliotēka on 30 September 2026. The exhibition is dedicated to writer, playwright and literary scholar Valdis Rūmnieks. He writes stories, poems and fairy tales for children, and has also written and compiled various jokes. The library is located at Atmodas iela 4, Inčukalns, Inčukalna parish. Admission to the exhibition is free.