The second volume of THE CONCORDANCE is the definitive guide to the many worlds, argots, characters and cross-references within the Dark Tower series and among the rest of Stephen King’s works. Covering portals and magical places, providing maps to Mid-, End- and Our World, and a timeline for the series, this is a fascinating and essential reference guide.
Furth's concordance anticipates and answers virtually every question the Constant Reader might come up with
<i>Locus</i> on VOLUME I
I found this overview of In-World, Mid-World, and End-World both entertaining and invaluable. So, I am convinced, will you