Shiels, Tony "Doc", and Niacail O'Siaghail (editor): The Shiels Effect ©1976 Tony "Doc" Shiels, Bob Lynn Softcover, saddle-stitched, 5.5x8.5", 72 pages

Image courtesy eBay seller RaolsonMagic

Comments: Illustrated by Stephen E. Fabian, with line drawings. Rated R, not to be sold to persons under 18 years of Age. Supplement No. 1 to Invocation - 1976.

Contents (courtesy Denis Behr's ConjuringArchive.com):

5 Introduction (Niacail O'Siaghail)
10 Bend, Baby, Bend!
20 After Uri...Super PSI
37 The Hoax Hex and Other Tall Tales
52 Impossibilities
61 Postscript
62 Publisher's Note