A MISFIRING TRIGGER WARNING: YOU'RE ABOUT TO READ FOOTSTEPS IN THE FOG. DON'T STOP NOW.

Muttonheads or not, in Dying Horribly at Harding Hall, Loris and Lars helped solve five of the eleven bizarre deaths that had taken place in their family over just a few decades. As Book 2, Footsteps in the Fog, opens, they learn, with mixed feelings, that those responsible for the solved murders have been hanged.

Now Lars is bored at Harding Hall. But if a plot that featured eleven murders (give or take an accidental death or two) can thicken, this one is about to.

Lars, it seems, now has the...