The Stone of Knowing (The Stone Cycle Book 1) for FREE (was $3.99) by Free Book Feed | May 16, 2019 | Free Kindle Book | FacebookTwitterGoogle+Pinterest The Stone of Knowing (The Stone Cycle Book 1) by Allan Packer 4.5 out of 5 Stars (20 Reveiws)$0.00 was $3.99 Download Now!