Robert Collier (1885-1950) was an American author of self-help and metaphysical books.
His books have been popular with self-help and New Thought groups.
His most known book - The Secret of the Ages - sold over 300, 000 copies during his life.
In the book The Secret Rhonda Byrne writes about it: The glimpse came in a hundred-year-old book, given to me by my daughter Hayley.
It | The glimpse came in a hundredyearold book given to me by my daughter |
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