I read the book in the 1960's. The human suffers harm and is protected by the sentient pyramid which assimilates him. The pyramid also harbours other identities. Each identity is used to overcome a particular problem that is encountered.

I have little recollection other than the book cover had the pyramid on it. Possibly the cover was orange and it was published in paperback.

I believe it was first published in the 1960's.


1 Answer 1


I think this could be 'The Werewolf Principle' by Clifford Simak, published in 1967

An amnesiac astronaut returns to Earth, and discovers he shares his body with alien beings which were assimilated as a means of learning about them when he was exploring their planets. One alien form is a pyramid.

  • 1
    Martin. It is! Many thanks. I've been trying to find this book for months. Well done. Mar 11, 2020 at 20:45
  • Thought I recognised that name! One edition has a terrifying cover by the great Ian Miller Mar 12, 2020 at 10:25

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