I can heartily recommend the following books.
All are available from Stewart Macdonald Guitar Shop Supply & other sources.

MAKE YOUR OWN ELECTRIC GUITAR
by Melvyn Hiscock: 224 pages:

Building: Electric
Melvyn Hiscock's website


HOW TO MAKE YOUR ELECTRIC GUITAR PLAY GREAT
by Dan Erlewine: 133 pages:

Maintenance & setup: Electric


GUITAR PLAYER REPAIR GUIDE
by Dan Erlewine: 309 pages:

Repair: Electric, Steel string acoustic



COMPLETE GUITAR REPAIR
by Hideo Kamimoto: 160 pages:

Repair: Electric, Steel, Nylon, Archtop



ELECTRIC GUITAR SETUPS
by Hideo Kamimoto: 84 pages:

Setup: Electric



THE ACOUSTIC GUITAR: ADJUSTMENT, CARE, MAINTENANCE & REPAIR
by Don Teeter:
Vol. 1, 200 pages: Vol. 2, 200 pages:
Repair: Steel


GUITAR REPAIR
by Irving Sloane: 96 pages:

Repair: Steel, Nylon



GUITAR MAKING: Tradition & Technology
by William Cumpiano & Jonathan Natelson
380 pages:
Building: Steel, Nylon
William Cumpiano's website


STEEL STRING GUITAR CONSTRUCTION
by Irving Sloane: 130 pages:

Building: Steel



CLASSIC GUITAR CONSTRUCTION
by Irving Sloane: 96 pages:

Building: Nylon



MAKING AN ARCHTOP GUITAR
by Bob Benedetto: 276 pages:

Building: Archtop