I've read a number of different leadership/self-help/psychology books and can genuinely say I found this one of the more entertaining and easy-to-interpret books. It brings together some great anecdotes whilst being structured well around the different groups of attributes and not too long a read.

The author provides his background story (as a NAVY Seal) which helps explain how the attributes have been arrived at and yet how they can be applied in many different settings.

I've followed up after reading the book by going to the website and completing some of the assessments available and am using some of the content with my team at work to highlight the attributes that matter for our team and how we can work towards them.