Brian Lumley 
Elysia [EPUB ebook] 

The Titus Crow novels are full of acts of nobility and heroism. Titus Crow and his faithful companion fight the forces of darkness – the infamous and deadly Elder Gods of H.P. Lovecraft – wherever they arise. The powerful Cthulhu and his dark minions are bent on ruling the earth – or destroying it, yet time after time, Titus Crow drives the monsters back into the dark from whence they came. Elysia is the sixth book in the Titus Crow series.