Print tutorial writer (illustrator/indesign/photoshop/prepress tutorial writing)

Im looking for someone who is experienced with pre press and can write tutorials with topics like:

howto prepare your files for printing with spotgloss
Howto setup crops and bleed
Working with Spot colors
Designing with Black ( CMYK black vs registration black vs photoshop black)

If you are known with these topics, please contact me!


ps. i spoke to someone who created a video tutorial for me a while ago: if you are reading this, please contact me - i cannot find your contact details