Just received this paperback 576 page book this morning. It is an excellent publication, dealing with episodes, history of episodes, where the missing episodes have turned up, and the prognosis of more being found. In short, it is an excellent publication, the latest updated version, and one which all Dr Who fans,( particularly those of the first 7 Doctors), should read. Anyone with an interest in the history of the missing episodes, and or just for reference should add this to their bookshelf. The price is a steal!