A encyclopedic reference, previously published in two separate volumes, is a fan's guide to King's seven-installment epic fantasy series and includes entries for each character, crossover references, and In-World, Mid-World, and End-World details. Original. 25,000 first printing.

A second installment of a two-part reference covers the final books in the popular Dark Tower series and is a definitive and cross-referenced guide to the worlds and characters that appear in the series and its related works, in a concordance originally prepared for King's personal use and expanded for readers. Original. 50,000 first printing.