"Great Letters for Every Occasion" by Rosalie Maggio is a trade paperback reference book published in 1999 by Prentice Hall Press. This answer book provides a comprehensive collection of letters for various occasions, making it a valuable resource for those looking for guidance in letter writing. With an index for easy reference, this book offers a wealth of examples and insights on letter writing techniques, making it a must-have for anyone interested in improving their writing skills in this area.