REQ: Audio Issues: EQ Strategies - The Ultimate Guide to EQ
This one here seems a most comprehensive approach to EQ-ing and would be great to have the chance to check it out in detail. 
"EQ Strategies - Your Ultimate Guide to EQ is your step by step guide to use EQ to take your mixes to the next level and finally get that truly professional sound.
EQ doesn't have to be a mystery so let me show you how to master it. Don't learn behind a mixing board in a badly lit live venue like I did, with trial and error and randomly twisting knobs until "something" sounded "just ok..." This guide will teach you everything I’ve learned since then, in a much more comfortable setting.
You'll know exactly where your instruments are clashing, making any EQ problem easy to fix. Once you master EQ, you'll be able to create space and separation between all the instruments in your mix.
So if you want to master the art of EQ'ing, look no further. Once you've learned how EQ works and where you can fix the problem areas in your mix, your mixing skills will skyrocket!"
"EQ Strategies - Your Ultimate Guide to EQ is your step by step guide to use EQ to take your mixes to the next level and finally get that truly professional sound.
EQ doesn't have to be a mystery so let me show you how to master it. Don't learn behind a mixing board in a badly lit live venue like I did, with trial and error and randomly twisting knobs until "something" sounded "just ok..." This guide will teach you everything I’ve learned since then, in a much more comfortable setting.
You'll know exactly where your instruments are clashing, making any EQ problem easy to fix. Once you master EQ, you'll be able to create space and separation between all the instruments in your mix.
So if you want to master the art of EQ'ing, look no further. Once you've learned how EQ works and where you can fix the problem areas in your mix, your mixing skills will skyrocket!"