Like many, I have a professional development plan, and mine has a line about books to read in the coming year.
Being a quantifying sort, I sometimes put in a number of books. And sometimes shelf inches.
Perhaps this year I'll put it in pounds.
Because the carrying back and forth? It might as well count as weight lifting. At any given time there are a pile of partially-read books on my nightstand, on my desk at work, in my purse and backpack, and another box of to-be-read books in my reading nooks.
If I read just two pounds a week, I'd have a sixth grader by the end of the year.