you started with a bookstore , then you made a single innocent trade , a set of bookends for a first edition maybe , then another , you picked up a grab-all box at a yard sale to get one item - pretty soon you had a whole section of unmatched crutches and obsolete radio tubes , and could n't for the life of you remember how you 'd acquired a bear trap , yet there it was , next to the lime-green tutu and the armadrillo penis pump : secondhand out of hand .