pb?Paperback. Typically 7" by 4.25" (18 cm by 11 cm) or smaller, though trimming errors can cause them to sometimes be slightly (less than 1/4 extra inch) taller or wider/deeper.
Notes: Unknown printing rank.
No price on book (price category: 2 circles on spine).
Note that Pub Series # is now simply "71" (it was at first "71/72").