The Magic of the Elder Folk

The Magic of the Elder Folk by Geoffrey Monck is a tome which contains information on, among other things, portals. It is cited in the Ars Magica. Within, he wrote that the Lara Portal within Tor Lara led to a similar one in Tor Zireael.
==References==
pl:Magia Starszego Ludu
ru:Магия_Старшего_Народа_(книга)
pt-br:A magia do Povo Antigo
cs:Magie Staršího Lidu
de:Die Magie des Älteren Volks
Category:Books mentioned in the novels