Ok first please don't let the 4 stars fool you this is a great book, and a must have for any B5 Fan as it tells us what happened to Bester and also throws in some allusions to things that could have happened in the cancelled Crusade series.
The Plot is excelent and we really get a scence of how tired Bester is of running and his desire to live out the rest of his days, his Characterisation seamed a little off but that could be explained by his illness.
The Garibaldi segments were great and J. Gregory Keyes really does write B5 well.
Thre only problem i saw with the book were the presence of things like Cell phones and cars, when in the series they used portable link devices, i.e. ristbands, palm links and pen links. and ground vehercles were called skimmers.
other than this the book is great, and i recomend you get your copy and keep it in a safe place as the events dipicted are acknoledged by JMS as cannon for the B5 Universe.