The Dreamthief's Daughter — Michael Moorcock

VON BEK
As Nazism engulfs the Fatherland, the albino Ulric von Bek, last Count of Bek, battles to keep the dark sword Ravenbrand from being taken by Adolf Hitler...

ELRIC
As an unhuman army engulfs Tanelorn, the albino Elric, last sorcerer-king of Melnibone, fights to keep the black sword Stormbringer from being taken by Gaynor the Damned...

THE LEGENDS COLLIDE
They both fail. Now, their destinies suddenly entwined with that of Oona, the mysterious Dreamthief's Daughter, Elric and von Bek must become one hero. For the entire Multiverse will be destroyed--unless Elric can summon his dragon kin across space and time to the Battle of Britain, and show the Third Reich what hell on earth truly means...