Kuang, R. F. The dragon republic / R. F. Kuang. - London : Harper Voyager, 2020. - 658 p. : maps. - Poppy war ; bk. 2 . - Kuang, R. F. (Rebecca F.). Poppy war (Series) ; bk. 2. . Reprint. Originally published: 2019. ISBN: 9780008239893 (pbk) 0008239894 (pbk)