There was not a word of all that Moses commanded, which Joshua didn't read before all the assembly of Israel, and the women, and the little ones, and the foreigners who were among them.
"The method of plastering stones and then printing on them came originally from Egypt; thus, the letters were probably painted in red. So we can imagine large whitewashed monoliths with red Hebrew characters spelling out the Ten Commandments, and possibly the blessings and curses of the Law as well (cf. Deuteronomy 28). This structure was the first public display of the Law." [Note: Hughes, p. 101.] 