Will we ever know who the Sea People were and where they came from?

Recently I have come across the "Sea People" who helped encourage the Bronze Age collapse and it really spiked my curiosity about the fact that we didn't really know why they came, who they were and where they came from and I was wondering whether we would ever figure out who they were and why they suddenly appeared at the right situation to collapse the Bronze Age kingdoms? I was also wondering if there were any good books about the Sea People's and in general the Bronze Age collapse