Since it came with the WWII context and the 123M number, it didn't even occur to me that today we'd read it differently, but you're right--if it were about toda

Since it came with the WWII context and the 123M number, it didn't even occur to me that today we'd read it differently, but you're right--if it were about today, and about <500 books, I'd think it was giving copyright. (At higher numbers, I'd assume physical copies unless it explicitly said copyright.)