Because a mind is a terrible thing to waste...here are few interesting books:
Bolin, Jean Shinoda, Goddesses in Everywoman, Harper and Row, New York, 1985
Bolin, Jean Shinoda, Gods and Everyman, Harper & Row, San Francisco, 1989
Bradway, Kay and McCord, Barbara, Sandplay – Silent Workshop of the Psyche, Rutledge, New York, 1997
Jung, Emma, Animus and Anima, Spring Publications, Dallas, 1957
Kalff, Dora, Sandplay: A Psychotherapeutic Approach to the Psyche, Sigo Press, Boston, 1980
Mitchell, Rie and Friedman, Harriet, Sandplay: Past, Present & Future, Rutledge, New York 1994
Reed, Jeanette Pruyn, Emergence: Essays on the Process of Individuation through Sand Tray Therapy, Art Forms, and Dreams, JPR Publishers, Albuquerque, 1980
Leonard, Linda Schierse, The Wounded Woman, Shambala, New York, 1982
Weinrib, Estelle, Images of the Self: The Sandplay Therapy Process, Sigo Press, 1983