Dear World, You know how you get all scared when you look at your shelves and bookcase? Wondering how on earth you are going to be able to fill all those nooks and crannies? I hear you. I recently spent some time with my parents, who just installed the above built-in shelving in their sitting room. I basically went into their house and bossed them around about what should go where and they acted like they liked it but then they threw a huge party after I left to celebrate their freedom, tears of joy streaming down their previously tormented…