newbies essentials ?

I am a newbie to yii,i have used codeigniter before this,so all i wanna ask where can i get essential yii training what books i should go through.

this is one of the best to start with

Hello and welcome.

You should mandatory read materials available in documentation section of this page.

Start with this: http://www.yiiframework.com/doc/guide/

then move to this: http://www.yiiframework.com/doc/blog/

also, you’d better make a bookmark of this: http://www.yiiframework.com/doc/api/ or even better add it as custom search engine in your browser :).

When you stumble into any particular problem, make sure you search forums, as there are answers to lots of common questions. Also, if you want to search for some common patters check wiki: http://www.yiiframework.com/wiki/. There are hundreds of lines of valuable reading.