If you pass the personality test entitled Are You Ambitious, Dr McGraw will tell you how to get there.

If you want some no-nonsense, Oprah Winfrey-style exhortation to take charge of, and be responsible for, their lives with his powerful, straightforward advice. Whether it's a bad relationship, a dead-end career, or a harmful habit, Dr McGraw's 10 Life Laws will help you wake up and get out of your rut.

(Vermilion, £6.99)