Rasputin's Revenge: Auguste Lupa, Book 2 (Unabridged‪)‬

In Son of Holmes, John Lescroart introduced Auguste Lupa, reputed son of the greatest detective of all time... and possessor of a brilliant deductive mind in his own right. Now, in Rasputin’s Revenge, Lupa is summoned to the court of the Russian Czar - where, with a bit of unexpected assistance from none other than Holmes and Watson, he untangles a chilling plot that holds the Winter Palace in a lethal grip....