(Guitar Educational). The most comprehensive guitar chord resource ever! Beginning with helpful notes on how to use the book, how to choose the best voicings and how to construct chords, this extensive, 264-page source for all playing styles and levels features five easy-to-play voicings of 44 chord qualities for each of the twelve musical keys 2,640 chords in all! For each, there is a clearly illustrated chord frame, as well as an actual photo of the chord being played! Includes info on basic fingering principles, open chords and barre chords, partial chords and broken-set forms, and more. Great for all guitarists! Also available in 9 x 12 version (HL00695224)
Various is the correct author for any book with multiple unknown authors, and is acceptable for books with multiple known authors, especially if not all are known or the list is very long (over 50).
If an editor is known, however, Various is not necessary. List the name of the editor as the primary author (with role "editor"). Contributing authors' names follow it.
Note: WorldCat is an excellent resource for finding author information and contents of anthologies.
If you play guitar this should be in your toolbox. Recommend the digital version. I’ve seen reviews that it’s pocket size and hard for some to see the diagrams. Highly recommend this to every player.