York or Andrew

[ANDERS FLODERUS]

I need a more advanced css book, two with good rewies are

Beginning CSS: Cascading Style Sheets for Web Design
by Richard York

and

The CSS Anthology101 Essential Tips, Tricks & Hacks
by Rachel Andrew

Does anybody know which one is of most help?

I have WROX: HTML 4.01 Programmer's Reference

Thanks for any answer
Anders