If you are business minded, a nurse that makes house calls may be the business opportunity for you. In fact, this is historically how most nurses practiced until the 1940s. It is an area with huge growth potential.
Smell is chemistry, and the chemistry of old books gives your cherished tomes their scent. As a book ages, the chemical compounds usedâthe glue, the paper, the inkâbegin to break down. And, as they do, they release volatile compoundsâthe source of the smell. A common smell of old books, says the International League for Antiquarian Booksellers, is a hint of vanilla: âLignin, which is present in all wood-based paper, is closely related to vanillin. As it breaks down, the lignin grants old books that faint vanilla scent.â
 * Paper Burning Another way to make paper look old is to burn the edges of the paper. For safety's sake, do this over a sink, using a candle or stick of incense. Pinch the firey edges out with your finger.If desired, wet an inner border on your paper before applying the flame.* Paper Burning Another way to make paper look old is to burn the edges of the paper. For safety's sake, do this over a sink, using a candle or stick of incense. Pinch the firey edges out with your finger.