Offline Reading Material

I got my first Sophie Kinsella's after i watch Confession of A Shopaholic movie years ago (when was it??). I bought the rest within the last 2 weeks, and i 'khatam' all of it already.
I found the bottom two adequate to my liking, then the next two not able to keep me from other distraction*read: not good enough*.

I'm running out of online material that can make me focus daily, and now the offline material seems does not guarantee it can satisfy my needs. Online is free so i don't mind reading junk but offline kinda expensive so if the books is not worth the price *in my sole opinion*. i'm not so sure to pursue buying more or not. I don't want to simply follow what others read cos i may not have the same interest as others.

So what do i do now??