I was very happy today to see that she has a new book coming out this summer about historical dyeing!
More information can be found below (and you can bet I have added this already to my wishlist!)
http://www.jennydean.co.uk/index.php/a-heritage-of-colour-my-new-book/
http://www.amazon.com/Heritage-Colour-Natural-Dyes-Present/dp/1782210369/ref=sr_1_12?s=books&ie=UTF8&qid=1389293087&sr=1-12&keywords=jenny+dean