OK so now I have finished reading and it was really worth it.
The author's grandfather was present at the wedding of Nicholas and Alix in some very minor capacity. The author was in the crowd and saw the couple in the carriage as it took them to the Anitchkov.
Poliakoff was called to service in 1914 and (of course) survived his months in the trenches and was on leave in Petrograd when the March Revolution broke out.
He stood in the crowd that bowed to Nicholas at the beginning of the war before the Winter Palace and then sang "God Save the Tsar".
He believes (again of course) since the book was written in 1927 that Solokov had the difinitive answer to the fate of the family.
I found the book wonderful because it was a snapshot of a 1927s mindset, but one that, while it judged Alix, also forgave her because of the situation she found herself in and her inexperience.
Just to hold this book (which is in wonderful condition) and know that it was published just 9 years after the Ekaterinburg murders gave me a quite thrill.
There is so much original material in the form of diary excerpts and letters between Nicholas and Alix and everything is footnoted to keep the reader on track instead of source noted in the back.
I am bubbling over with enthusiasm, I know, but I recommend it if you can find it.