p. 68, Column 1, Paragraph 2 -- The Baptist church doesn't call their worship service a mass, so it should be something like "During a Christmas Eve Candlelight Service,"
p. 93, Column 1, Robert Marsh Combat Section -- after Cthulhu's Kiss damage listing, it should say "see above"
EDIT: It occurs again in the Pulp Combat section.
p. 86, Column 2, Paragraph 2, Sentence 4 -- need commas after First and finally because they are items in a sequence.
"First, the Congregationalist church... and finally, the Baptist..."