"Finally," I thought, "relevance!"

Those sad boxes of books that end up in the aisles of supermarkets and chain drug stores?  SO glum.   They just sit there. 

Passing one such woeful display yesterday, my heart skipped a beat when I misread the partially obscured title here:

I was all "Pet texter!  At last!  Someone has found a reason to text and written a book about it!"

Or it could be about about a dog that goes around killing other serial killer dogs.