hi guys,i am doing magic for almost 2 years now and i planned to perform magic for 2-3 people today but when i performed my hands are shaking like hell and my heart is pumping like a horse and i almost got freezed that time then i just did the splicer then i left the trick goes fine but i didnt entertained them as much as i should and didnt get some good reactions then i thinked about it and then i finally get it that the problem is my self confidence and the presentation i just didnt talked and presented it good i almost goes into silent position when i am doing move and getting my break please help me guys can you recommend me some books or dvds or downloads that only concentrates on talking, presenting and crowd control.thanks