P. K. Thomas 
The Anger Within [EPUB ebook] 

Seeing a golden, wooden boat floating down the stream in front of him, a young boy sitting by the edge of the water feels that the boat is his, if he can get it. In trying to grab this boat, he falls into the stream and gets swept away to a world unlike anything he knows. What happens next, well, you just have to open the book to discover. However, this you should know, that after some incredible, almost magical experiences, not to mention the Monster of Doom; Doug (the young boy) will find out that who he thought he was, is not what he is. The Author, using her artists eye, describes this world with such clarity as to be bring it to life.