Originally Posted by kaido
I've been getting it out of a Lee Reloading manual. I want to say its a second edition. The dumb part, I've actually been telling myself that I should pick up a secondary book. Guess I've got even more of a reason to now.
The Lee manual is unique in that Lee does not test any of their own loads. They borrow their data from the free powder manufacturers data and then sell it. It is also very old and much of the data is outdated.
It's always best to have more than one source of data, 3 or more would be better. All of the Powder manufacturers have Free on-line data as well as free printed data. These are an excellent, up-to-date source of data.