This hard to find booklet is dedicated to effects that can be performed with mouth coils. It goes well beyond the standard effect into areas you might not expect. 
 
Condition: Very good, staples slightly rusty, otherwise nearly new.
 
Binding: Booklet
Year:  1991 (of 1987)
Publisher: The Magic Art Book Co.
Pages: 31
Dimensions (to nearest cm): 21 X 14cm