In addition to the fine books recommended by the previous posts, here are some that work well with training volunteers.  They are easily "uploaded" by the layperson, and I have received many compliments on both.

This one is idea for colonial archaeology in the east coast:

A Layperson’s Guide to Historical Archaeology in Maryland by James G. Gibb
Published by the Archaeological Society of Maryland in 1999
To order : http://marylandarcheology.org/lguide.php



This one is a testament on why the morale is so good on Mike's sites in Virginia: 

A Field Guide for Virginia Archaeology
(and the Middle Atlantic Region, in General):
A Practical Guide to a Dirty Business
by: Michael B. Barber, Ph.D.
ASV Special Publication #43; ISBN# 1-884626-46-7 
Published 2010, 8.5x11", 61 pages, $15.00
 To order: http://www.asv-archeology.org/PDF/ASVPUBORDER.pdf


Thanks,

Craig Lukezic
Delaware