The Charlton catalog is far more detailed, since it takes up 2 volumes. Both the Haxby and Charlton catalogs have information on size, composition and weight. Unless you intend to specialize in Canadian coins, the Haxby catalog should be more than adequate for your needs.
I learned this the hard way, Paid 200$ for two coins that sell for 50$ or less each , I do my research first now, Thanks.