The Ocean of Time - David Wingrove

Ebury Publishing - <p>From the frozen tundra of 13th Century Russia to the battle of Paltava in 1709 and beyond, Otto Behr has waged an unquestioning, unending war across time for his people. But now a third unidentified power has joined the game across the ocean of time, and everything Otto holds dear could be unmade...</p>