The whole thing probably was a product of his imagination, he told himself.

What if such a material and process were both products of the author's imagination?

For all we know, what he believes about them might be the product of his imagination.

He believed that the sound had been a product of his own imagination.

All this time, she had assumed they were the products of his imagination.

Was the only woman who'd ever stirred him on every level just a product of his imagination?

I am here only as a product of your imagination.

These are the products of man's imagination and the risks some people take with their savings.

Maybe they'd be just silly enough to start looking for that product of Harry's imagination.

The characters and events described are entirely the product of the author's imagination.