Where Do We Go In Dreams?

For most of my life I have had vivid and strange dreams and sometimes struggle to interpret them.  In college as part of my Psychology degree we studied dreams and the various theories of Freud, Carl Jung and others.  I think dreams are more personal than one theory or one explanation for everyone.  It usually deals with our struggles and worries over our daily lives. Then there are other dreams and strange experiences that you make you wonder what is really happening when your dream.
 Are we traveling in our dreams to other lives?  Are we experiencing past life memories or future memories?  This book explores this question and includes many interesting stories from others about the strange dream experiences.