"This book "provides a concise yet complete coverage of the rules that operate in the spelling of English. For all the seeming complexity, if you approach the task positively you can, by studying the rules, improve your spelling."
Exploring English A Complete Analysis of Modern English Grammar by Ronald Stephen Horan 256 Pages, Published 2005 ISBN-13: 978-0-9757893-2-2, ISBN: 0-9757893-2-5