Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Interesting as a reflection of it's time

File on the Tsar is interesting as a compilation of escape theories popular in the 1970's, most of which have since been proven to be false, particularly in Radzinsky's The Last Tsar (which would be a good book to read after this one). Still, the writing style is engaging and the photos are well chosen. Take it's theories with a grain of salt and it is a fun read.