Books keep them, go to book sales and buy them, when at your home put them in library order, then the next step, old books in ok condition, cook books, you tube do not have the contents of old books,  recipes and look, cook books are a treasure, table to bar, bbq, coffee table. Menu to ingredients and services of products, cooked, Raw, marinated, Fresh, washed, steamed, Boiled, grilled, BBQ, Old Cook Books are worth  mega bucks because they display food that we all want to eat, restaurant quality are chasing this presentation all the time, so your next book thing to keep is ……..