2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/71124A book of size N is the union of N triangles sharing a common edge. We show that the Ramsey number of a book of size N vs. a book of size M equals 2N+3 for all N>(10^6)M. Our proof is based on counting.9 pages, submitted to Journal of Graph Theory in Aug 2002Combinatorics05D10text