The course will give you a greater understanding of how gradient meshes work in Adobe Illustrator. By using the effects and tools in Illustrator, you will be able to enhance your digital designs at a more advanced level. The techniques you will learn throughout this course will be a great asset to your design & illustration toolbox.
http://design.tutsplus.com/courses/advanced-gradient-mesh-in-adobe-illustrator
http://design.tutsplus.com/courses/advanced-gradient-mesh-in-adobe-illustrator