I Meant Pitchforklifts 
I wonder why you did not say what you meant!
And to clarify: I was referring to the second edition of said book. My bad 
I wonder why it was necessary to have a second edition!
But thanks to your response I found a weird oblong piece of vibrating latex on the bookshelf. Wife looked guilty when I asked if she knew anything about it. Hmm we're both stumped 
I have heard about criminals who break into homes and leave those things on bookshelves. It is a test, and you passed!
PS we seem to have a lot of AA Batteries laying around. Says she needs them for her curling iron or something but I think I'll be a good hubby and get her some rechargeables 
Someone should pick them up, avoid such hazards in the future.