You have basically four books on the Equinox metal detector to choose from.
1) The Minelab Equinox 600 800 Metal Detector Hand book by Andy Sabisch $23.95 - 176 pages
2) Minelab The Equinox Series from Beginner to Advanced by Clive Clynik $19.95 - 111 pages
3) The Minelab Equinox: ?an Advanced...