This book is in the WHAT THE GREAT MEDIUMS HAVE TAUGHT US series of books. It contains the words of the great mediums of the past (Estelle Roberts, Gordon Higginson, Leonora Piper, Gladys Osbourne Leonard, and Ursula Roberts among others) referenced from their own books which are now out of print or hard to find. These great mediums have spoken on the subject of spirit guides - who they are, why do they help us, etc. Anyone on the path of spiritual...