Two girls grow up in a poor Naples neighbourhood in the 1950s, one pushed on by school, the other by sheer brilliance. Elena Ferrante's four Neapolitan Novels follow their friendship from a doll thrown down a cellar chute to a package in the mail in 2010.
The route runs from the district of the first book through Ischia, Pisa, San Giovanni a Teduccio and Florence to Turin. The books never name the streets, so most pins mark areas, not buildings.
On 16 September 1810 a parish priest in a small Mexican town called his parishioners to arms, and within weeks a vast, ill-armed army was marching on the capital. Miguel Hidalgo's revolt began Mexico's war of independence.
The route follows it from the plot in Querétaro and the Cry of Dolores through the storming of the Alhóndiga in Guanajuato, the near-miss at Mexico City and the defeat at Calderón Bridge, to the ambush in Coahuila and the execution in Chihuahua. Violence is part of the story and is named plainly.