Recently, tired of seeing cookbooks not just in burgeoning bookcases, but all over the house, my wife suggested it was time for me to pare down my collection. I agreed, but trying to determine which of my cookbooks were essential and should be kept and which I could get rid of was not an easy task. Sure, some decisions were easy. For example, do I need an Oreo cookbook containing dozens of recipes using the crushed cookie as an ingredient, none of which rival simply eating a couple of Oreos with