H. L. Oldie is the pen name of Dmytro Gromov and Oleg Ladyzhensky, Ukrainian award-winning authors of over 270 SF/F books (including reprints and translations). They’ve been published in Canada (in French), France, Poland, the Czech Republic, Lithuania, and Ukraine. The translating and publishing of the Space Opera trilogy Oikoumene by H. L. Oldie in China is in progress now. Some of H. L. Oldie’s short stories have been also published in Hungary, Mexico, the Czech Republic, and France. Their official website in English is oldie.world/en/.