Low Whistle Makers Anthology : A Guide to Make Low-d and Other Pennywhistles., Paperback by Bingamon, Daniel R., ISBN 1512103209, ISBN-13 9781512103205, Like New Used, Free shipping in the US

This book takes through the theory of operation and construction of Low D Pennywhistles. It includes build sheets (hole sizes and positions of holes), step-by-step photos for making the headjoint of a Low-D and other low whistles.