Useful Links:

Digital Imaging Guidelines

From UPDIG.Org
(Universal Photographic Digital Imaging Guidelines)

Universal Quick Guide

UPDIG Photographers' Guidelines

Monitor Calibration Online Tools

http://tft.vanity.dk/monitorTest_scale.html   

http://epaperpress.com/monitorcal/

http://www.displaycalibration.com/

http://www.lagom.nl/lcd-test/

Article on how to use Windows and Mac’s native tools to calibrate:
http://www.cnet.com/how-to/how-to-calibrate-your-monitor/

RGB vs CMYK

http://visual.ly/rgb-vs-cmyk

Take a Class:

Learn how to get the best out of your camera
Use the  online tools in between class sessions to practice.

Learn how to work with natural and artificial light.

Learn what the best software is for the type of editing you need.

Learn the essential tools of professional image editing