In the last century, throughout most Middle Eastern countries, it was common to give the distances between cities in walking distances. For example, Khaybar is ten days' journey by foot to Jeddah. See also. Pacing (surveying) Pace (unit) League (unit) Parasang; Biblical mile; References
A mass-market paperback is a small, usually non-illustrated, inexpensive bookbinding format. This includes the UK A-format books of 110 mm Ã 178 mm (4.3 in Ã 7.0 in) and the US pocketbook format books of a similar size.
Mass Market Paperback - standard-sized, 4x7 paperback. Star Trek novels, romance novels, King/Grisham books. Printed on newsprint. Usually cost between six and eight dollars. Trade Paperback - non-standard-sized paperback -- usually larger than MMPBs. Size can vary. Paper is usually a higher quality than standard newsprint.