Halvorson's book has some great tips on how to meet a goal. Some of the research she talks about is quite a big change from the way goal achievement was addressed in the past.
Sinek's book explores the importance of asking 'Why' and how that has been the secret to successful organizations and leaders.
A great book to help transitioning leaders be successful in their new role.
Change is the result of all true learning. - Leo Buscaglia