Tract - So Then You Believe in Evolution (Pack of 100) By David Gay - Tracts ICM Price £6.99 RRP: £9.99 (Saving of 30%) ICM Price £6.99 RRP: £9.99 (Saving of 30%) Shipping is FREE for all UK orders over £20. (only £2.95 for UK orders under £20) Tract - So Then You Believe in Evolution (Pack of 100) by David Gay and published by Classics. This tract examines the theory of Evolution and shows its fallacies and what will happen if you follow its concepts to their ultimate conclusions. Product Details Author David Gay - Tracts Publisher Classics Type Paperback ISBN