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There is lots of good information in that manual, and while there are new powders being introduced at a regular rate, that doesn't mean that all those powders are suitable for cast bullet applications. Some are, some aren't.
Ny edition of the Lyman Cast Bullet Handbook doesn't have (for example) TrailBoss powder, but that doesn't mean that the manual is less valuable. There is still a ton of information there that is extremely useful for the bullet caster. If I need information on TrailBoss I can get it from the IMR/Hodgdon website.
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