An Affair of Sorcerers — George C. Chesbro

WHEN DANGER LOOMS, MONGO STANDS TALL

An angelic little girl lay writhing in hellish agony...a rock superstar was pumping damnation into his veins...a master magician was under a curse more powerful than he...and Mongo himself was assailed by every unholy threat--from a rabidly ravenous creature of darkness, to a devilishly seductive strawberry-blonde witch, to a monstrous machine tooled to imprison him in an eternal nigh of madness...

The octopus of occult evil was larger than life and more terrifying than death--and somehow the world's most extraordinary detective had to measure up...