Edison Maksim Nathaniel Vincent knows the meanings of his names, but can he become all that his names make him out to be? In the second book of the Edison series our hero re-enters the Eternal Forest to explore the mysterious Castle of Doubt, confront the UNKNOWN and discover enemies new and old. He is joined by his sister Sophia who goes on her own journey of self-discovery. What secrets does the Castle hold? What lurks in the darkness below? Will they ever escape the evil within? This is another adventure into finding out who you truly are.