Molotov's Magic Lantern

By Rachel Polonsky

Faber, 416 pp.

Above all, it is the inhuman scale of things which impresses the visitor to Moscow: the vastness of Red Square, the width of the uncrossable streets, the implacability of the traffic. The city's history seems equally inhuman, haunted as it is by centuries of tyrants, millions of political prisoners, countless wars. Impossible to navigate and impossible to know, Moscow doesn't exactly embrace the casual tourist.

But Rachel Polonsky was n...