Sixth volume of the Cthulhu Mythos gamebooks.

The thirst for absolute knowledge has taken hold of you. Guided by rumors of the existence of an evil witch who claimed to hold the secrets of space and time, you decide to settle in her mansion at the top of Orne Hill.

Will you be able to unravel its mysteries and discover the link they maintain with modern science? How much truth is there in the chilling testimonies reporting the multiple kidnappings and obscure satanic rituals that still occur in the ancestral city of Arkham? Will you survive the dreams whispered in the attic of the Witch's House?