I can give you a source..., I can recommend it for information, but not necessarily for readability... a bit "dry", but on the other hand extremely detailed.
He has written three volumes, combing records for every single "engagement" during the AWI in both Carolinas. If a lone rebel took a single pot-shot at a lone loyalist... likely that he's documented it.
Check out The Road to Guilford Courthouse by John Buchanan. It does a good job discussing the entire Southern Campaign but is does cover many of General Marion's battles.