The only advise that they will need is 'Zombies can only be killed by destroying the brain stem. A gun shot wound to the head or decapitation will suffice.'

Just curious if you have scoured the contents for any leads to an alternate reality game - sending these boxes to known well bloggers suggests to me that there may very well be a game attached that we need to clue out.

Also, I second the opinion that this would be lovely to include in the next mystery sale.