On Stone Power is a mysterious book which details the abilities of the stone. Little is known of its particular contents, but it appears in Silas Charnon's and Virgil's library. As a result of having this book, as well as revealing to the true state of the elves' leadership to trellis Trellis, the Elf King has Virgil taken away. The book is written by Silas Charnon, and talks about how he believes that the stones were created to provide 3 things - power, communication, and travel.