What do you think about when you’re training at the gym, or on the tennis court? And what should you think about, if your goal is maximizing performance and results? Seasoned sports psychologist Bill Cole, coach for numerous Olympic teams and top-level international athletes, reveals that the number one road block to athletic performance often isn’t physical—it’s overthinking.

Clinical psychologists look at how we feel, how that affects how we behave, and whether we can change. Here, the Oxford academic and clinician Susan Llewelyn discusses five key books in the field of clinical psychology, why clinicians must keep their minds open to new approaches, and why aspiring psychologists should read as many novels as they can.

We are taught to value intelligence and academic ability, but raw mental firepower does not always translate into success at work or a life of contentment. Just as important are the skills that make up ’emotional intelligence,’ says Daniel Goleman, whose bestselling book popularised the concept. Here he chooses five emotional intelligence books that explore its practical applications.

At school, children get tested a lot. How do those tests impact their learning? How can tests be made fairer? Educational psychologist Jacqueline Leighton introduces the best books in the evolving field of educational testing.

Good leaders combine iron will with a dose of humility, says the founder of groundbreaking teaching charity Teach First. He traces leadership skills back to Moses, and tells us about books we can all learn from.

Alastair Campbell, Tony Blair’s former communications chief, takes a look at leadership in politics and in sport, recognising that ordinary citizens can show courageous moral leadership

The CEO of iOpener, a human asset management consultancy, explains how you can increase happiness and thus productivity in the workplace. She picks five essential reads for bosses and employees.