| 21 Irrefutable Laws Of Leadership by John C Maxwell (2000) |
| Good To Great by Jim Collins (2001) |
| How To Become A Rainmaker by Jeffrey J Fox (2000) |
| Made To Stick by Chip Heath And Dan Heath (2007) |
| Spin Selling by Neil Rackham (1988) |
| Start With Why by Simon Sinek (2009) |