Forest Edgar Lyda is now deceased (about 1997). Copies of his book (notes) are located in the Henderson County, NC, public library at Hendersonville NC; also, in the N.C. State Genealogy Library in Raleigh NC.
Another more complete book (more than 500 pages) has since been published, and is available from the publisher - via e-mail to Higginson Book Company at higginsonbooks.com. See web site for contact information. The title "My North Carolina Heritage - Descendants of Robert Edney and Anna Wrensher" by Marshall Styles.
Sometimes this book may be ordered direct from www.bn.com by searching for the author Marshall Styles or Marshall Stiles.