MYCROFT HOLMES: THE APOCALYPSE HANDBOOK #2

Mycroft Holmes: rake, adventurer, intellectual; deductive mind without peer! Thrust into the greatest quest of his young life, Mycroft is forced to battle a monstrous abombination in the bowels of Buckingham Palace, as a courtly conspiracy threatens the world with steampunk weapons of mass destruction! With only his wits to aid him, Mycroft is soon set on a globe-trotting mission to reclaim the plans for the weapons - before they fall into more nefarious hands!