The Spear (1978)
The Spear by James Herbert

Dark destiny.

When Steadman agreed to investigate the disappearance of a young mossad agent, he had no idea he would be drawn into a malevolent conspiracy.

Neo-nazi cultists are bent on unleashing an age-old unholy power on an unsuspecting world-power rising out of a demonic relic from man's dark primal past to threaten humanity with horror beyond any nightmare.

Quotes...

James Herbert Building to a horrific climax, Moon is James Herbert's best book yet. But do not read it alone... Especially not on a moonlit night.

- George Thaw, from "Murder on His Mind", Daily Mirror, August 8, 1985