The J. R. R. Tolkien Companion and Guide

Resumen

The J. R. R. Tolkien Companion and Guide by Wayne G. Hammond and Christina Scull, following their 2005 The Lord of the Rings: A Reader's Companion is a two volume work of reference on J. R. R. Tolkien and Tolkien studies.
Volume 1 "Reader's Guide" has information on people, places, organisations, biographical topics, literary topics, and writings by Tolkien.
Volume 2 "Chronology" presents an extraordinarily detailed chronology of Tolkien's life on 800 pages.