Day 16 - The Ultimate Sales Machine by Chet Holmes, Jay Conrad Levinson, Michael Gerber
20:50
Day 15 - Pitch Anything by Oren Klaff
15:27
Day 14 - The Psychology of Selling by Brian Tracy
40:40
Day 18 - SPIN Selling by Neil Rackham
16:42
Day 11 - Permission Marketing by Seth Godin
37:43
Day 29 - Brain Rules by John Medina
18:44
Day 12 - The 22 Immutable Laws of Marketing by Al Ries & Jack Trout
30:55
Day 13 - Getting Everything You Can Out of All You've Got by Jay Abraham
1:13:16