The primary attribute of a value investor is to seek bargains with a margin of safety. The reading: Margin of Safety by Seth Klarman will help give you the proper persective; click on this link http://www.my10000dollars.com/MS.pdf. I am happy to lend you my book which has cleaner copy, just return it.
I recommend that you read that along with The Intelligent Investor by Benjamin Graham.
Some investors believe Benjamin Graham’s books and writings are outdated, but his perspective and attitude towards investing are timeless. You are better off reading and rereading Buffett’s shareholder letters, Philip Fisher’s books, Graham’s textbooks and Klarman’s thoughts than reading all the other books on investing. The difficulty lies in taking the principles to the opportunities that suit you.