€35.95
The Chelyabinsk variation is the Russian name for the Sveshnikov variation in the Sicilian, which used to be called the Lasker-Pelican variation. So, 3 different names, but the same move sequence: 1 .e4 c5 2.Cf3 Cc6 3.d4 cxd4 4.Cxd4 Cf6 5.Cc3 e5
This rather extensive work on the beast was written by Gennadi Timoshchenko, an extremely serious Russian GM, and the book is prefaced by Garry Kasparov himself. The table of contents speaks volumes about the book's thoroughness. 440 pages