Speaker Building 201 by Ray Alden
Twelve Chapters (153 pages, softbound)
A comprehensive course in speaker design.
Chapters 1 through 10 provide a basic knowledge of speakers and speaker building. Starting from the basics of how a speaker works, to building the correct enclosure and crossover for the speaker. There is also a chapter on speaker design software and speaker testing.
The final two chapters have specific details on building 11 different speaker systems.
The book has many photos, illustrations, and graphs to aid you in understanding the speaker-building process.