Originally Posted by
Ricochet Rita
Absolutely YES.
Supplementary stories from Classic X-Men by Claremont & Bolton are gold. At the very least, they're highly beautiful stuff, focused in characters, their personal issues and relationships (often out of X-Men). But frequently they also enlighten and spell scenes out, or even they explain things that remained elliptical in the series.
I mean, if you'd like to know how friendship between Logan and Kurt began, or how Phoenix saved Jean's life, or why Piotr has a child in the Savage Land, you MUST read CXM.