Owned by A Map to Possession Island explores the neglected spaces of Berlin's Museum Island, challenging colonial exploitation and nationalist pride. It charts paths for decolonization, restitution, and empowering movement, encouraging readers to explore the area. The book builds on initiatives like the 'Museum Tropicana,' offering images, artists' reflections, and essays on Berlin's psychogeography, presenting an alternative vision to reactionary urban planning on Museum Island.