Web resouces is listed twice. Is it supposed to?
It's clean, concise, fast loading. (Never put too much on the opening page.)
Where it says "Internet Resources" in the center column, this graphic needs more work. It's sloppy and looks lopsided. Clean it up, make it look like a professional graphic. Enlarge it or center it.
The book of the week: you have the title and the image both pointing to an amazon listing; try using the type only to link to amazon and link the thumbnail to a larger copy of the image so people can see the cover clearer if they wish.