Frankincense resin is generally graded into different types, depending upon the species of Boswellia from which it was harvested, and depending upon the colour, aroma, age, shape, size, and purity of the resin.rankincense resin is generally graded into different types, depending upon the species of Boswellia from which it was harvested, and depending upon the colour, aroma, age, shape, size, and purity of the resin.
A mass market paperback (MMP) is a small, usually non-illustrated, and inexpensive bookbinding format. They are commonly released after the hardback edition, and often sold in non-traditional bookselling locations such as airports and supermarkets, as well as in traditional bookstores.
A paperback is a type of book characterized by a thick paper or paperboard cover, and often held together with glue rather than stitches or staples. In contrast, hardcover or hardback books are bound with cardboard covered with cloth.