The Twin Survey Amber Gayle Published by Evil Twin Publications (2006) 40 Pages, 11 x 14 cm, Softcover Amber's year long study of twin relationships, published in a small edition! She got 150 twins to fill out a 99 item survey and put together the results in this paper for her degree in psychology. The survey is included in the zine, as well as the results, so twins can test themselves and see where their feelings about their twin and relationship habits fit on the continuum of other twins.