finding the technique

i am a poor gov employee ..i might be terminated for this panic attack ..though i am from bangladesh i can't download any books with techniques and also the bangladeshi knows very little about this , so if anyone send me any book with pdf format by attachment through this mailing add ( towhidamin@hotmail.com ).Or if anyone give any links where i can dowload the free book affliated with panic attack or agora phobia ... thank u all