Alexander Palace Time Machine - Book Finder
Tainy Staroi Koptyakovskoi Dorogi (Secrets of the Old Koptyakovskii Road)
by Vladimir Solov'ev
A booklet describing the 1918 investigation of the imperial family's remains.
(Title in Russian: Тайны старой Коптяковской дороги)
in my opinion:
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this book profile was written by Sarah Miller