How's a secret agent meant to catch a break? If it's not a demi-god going through puberty, it's a renegade Nazi clockwork army going senile. Or a death cult in Nepal. Or a battery-chewing wizard's relationship problems. 

Arthur Wallace, agent of MI37-Britain's agency for dealing with the supernatural, the extraterrestrial, and the generally odd-has to pull everything together, and he has to do it before a magical bomb tears reality apart...