Adventures of Superman: Book of El (Adventures of Superman: Book of El #8)

Superman will always help someone in need, but since he was thrown into the future, his first priority has been to rescue Otho and Osul -Ra. The Valkyries of Phaelosia have offered him a chance to reunite with his daughter, but will that give him time to save his son? What sacrifices are necessary to prevent Kryl- Ux from rewriting reality? And Ronan Kent's reliance on Brainiac finally comes to light!