I have some great references for anyone interested in How to get The Most out of Hand Dyed and Variegated Yarns listed below.
These are my two favourite books on the topic:
The Knitter’s Guide to Hand-Dyed and Variegated Yarn by Lorna Miser
Artful Color, Mindful Knits: The Definitive Guide to Working with Hand-dyed Yarn by
Hand Dyeing Yarn and Fleece: Custom-Color Your Favorite Fibers with Dip-Dyeing, Hand-Painting, Tie-Dyeing, and...by Gail Callahan
This was one of my sources for learning the process of purposeful pooling: