Deletion of Keith Shepherd

Comment: per major failure of  . The ''On Your Mark'' book is self-published (see http://www.authorhouse.com/BookStore/ItemDetail~bookid~26488.aspx here, from which page this article is a straight copy-and-paste). The other two apparently exist only as e-books. No evidence of significant third-party coverage
Stance: delete
Cited policy: Wikipedia:Notability (WP:BK||WP:BIO)