Legend of the Galactic Heroes (銀河英雄伝説 Ginga Eiyū Densetsu), referred to as Heldensagen vom Kosmosinsel (incorrect German, translating to "heroic tales from the cosmic island") in the opening credits and sometimes abbreviated as LOTGH (銀英伝 Gin'eiden), is a series of science fiction novels written by Yoshiki Tanaka. In humanity's distant future, two interstellar states – the monarchic Galactic Empire and the democratic Free Planets Alliance – are embroiled in a never-ending war. The story focuses on the exploits of rivals Reinhard von Lohengramm and Yang Wen-li as they rise to power and fame in the Galactic Empire and the Free Planets Alliance respectively.