Books: Where to buy them

Christian Harmony 2010 edition The Christian Harmony, 2010 edition (currently: 2016 printing) is for sale at many singings and through mail-order. The cost of a book at a singing may be about $25.
http://www.thechristianharmony.com. In the United Kingdom, Werner Ullah has some for sale (2023-11).
Christian Harmony 2015 edition The 2015 Folk Heritage Edition of the Christian Harmony $22 retail and at singings. A facsimile reprint of the 1873 second edition, it is back in print as of Nov. 25th, 2015. Often referred to as the "Carolina book," or "Walker book," it retains the content of the original 1873 edition and the unique 7-shape notation system devised by William Walker.
To order see http://www.christianharmony1873.org