It’s a brilliant find and though some of the reviews appear online from time to time, its nice to have a print copy. Reviews include mainly US only bikes, but a lot of these are now found over here. A good comparison of the YZ250A and Honda CR250 Elsinore, and a look at the Thorsten Hallmann motocross initiatives. Also interesting thoughts on making your 1973 YZ250 ‘superlight’ and competitve.
The MX360 article is here and can always forward scans of some of the other articles.