Paperback book, 8-1/2 x 11 inches titled 'Con tu Participacion y Apoyo, Este es el Cambio, Informe de Gobierno' (With your Participation and Support, This is the Change, State of the Union) published in December 1990, written in Spanish about the government and administration of the City of Leon, Mexico. This was donated in 1991 by the Mayor of Leon, Carlos Medina Plascencia. Leon has been a San Diego Sister City since 1969.