One thing my husband and I, together firmly believe in is books. We want to have good inspiration and information on hand, so from the time we were engaged we started our library. We have no trouble justifying the purchase of books. If we go a month without buying one or two it's high-time.
Here's one my husband picked up for me. It's loaded with color and pattern inspiration, wonderful history on Orla Kiely and her process in design. Not to mention it's well laid out and printed. It's a GOOD BOOK.