Fig. 1: Examples of paratextual devices in pre-19th century imaginary worlds.

From left to right and top to bottom: The first occurrence of a map of imaginary worlds in Wolfās list, in Coropaedia by Caspar Stiblinus (1555); the first occurrence of a glossary in Wolfās list, in The Life and Adventures of Peter Wilkins by Robert Paltock (1751; date of edition reviewed: 1783); first occurrence of a bestiary in Wolfās list, in Nonsense songs by Edward Lear (1871); the map with the highest number of locations (~400) in A Fatherās Memoirs of His Child by Thomas Williams Malkin (1806); a map of Janseina in Relation du pays de JansĆ©ine by Le PĆØre Zacharie de Lisieux (1660); a map of the Underground in The Goddess of Atvatabar by William R. Bradshaw (1892).