Here is another MUST-READ blog. Three Barbour editors blog regularly. This blog will benefit you even if you're not targeting Barbour.
However, if you are targeting Barbour, this blog will be extremely beneficial for you.
They have submission pointers, Barbour updates, tips to help writers improve their craft, pointers on plot, characterization, etc.
This blog also deserves to grace your "Favorites."
Check it out:
Edit Cafe (Barbour Editors' Blog)