Steven Savile 
Black Chalice [EPUB ebook] 

Son of a knight and aspirant to the Round Table, Alymere yearns to take his place in the world, and for a quest to prove his worth. He comes across the foul Devil’s Bible — said to have been written in one night by an insane hermit — which leads and drives him, by turns, to seek the unholy Black Chalice.On his quest he will face, and overcome, dire obstacles and cunning enemies, becoming a knight of renown; but the ultimate threat is to his very soul.