These are really good letters
Chapter 1: Boron Letter Chapter 1.htm
Chapter 2: Boron Letter Chapter 2.htm
Chapter 3: Boron Letter Chapter 3.htm
Chapter 4: Boron Letter Chapter 4.htm
Chapter 5: Boron Letter Chapter 5.htm
Chapter 6: Boron Letter Chapter 6.htm
Chapter 7: Boron Letter Chapter 7.htm
Chapter 8: Boron Letter Chapter 8.htm
Chapter 9: Boron Letter Chapter 9.htm
Chapter 10: Boron Letter Chapter10.htm
Chapter 11: Boron Letter Chapter11.htm
Chapter 12: Boron Letter Chapter12.htm
Chapter 13: Boron Letter Chapter13.htm
Chapter 14: Boron Letter Chapter14.htm
Chapter 15 Boron Letter Chapter 15.htm
Chapter 16: http://www.thegaryhalbertletter.com/Boron/TChapter16.htm
Chapter 17: http://www.thegaryhalbertletter.com/Boron/TChapter17.htm
Chapter 18: http://www.thegaryhalbertletter.com/Boron/TChapter18.htm
Chapter 19: http://www.thegaryhalbertletter.com/Boron/TChapter19.htm
Chapter 20: http://www.thegaryhalbertletter.com/Boron/TChapter20.htm
Chapter 21: http://www.thegaryhalbertletter.com/Boron/TChapter21.htm
Chapter 22: http://www.thegaryhalbertletter.com/Boron/TChapter22.htm
Chapter 23: http://www.thegaryhalbertletter.com/Boron/TChapter23.htm
Chapter 24: http://www.thegaryhalbertletter.com/Boron/TChapter24.htm
Chapter 25: http://www.thegaryhalbertletter.com/Boron/TChapter25.htm
These are all the Boron letters.