The author of Gutbliss and one of today's preeminent gastroenterologists distils the latest research on the microbiome into a practical program for boosting overall health. The microbiome - the collective name for the trillions of bacteria that live in our gut - is today's hottest medical topic.

At some point today you will have to influence or persuade someone - perhaps ask a colleague a favour, negotiate with a contractor or get your spouse to put out the recycling. In The small BIG, three heavyweights from the world of persuasion, science and practice - Steve Martin, Noah Goldstein and Robert Cialdini - describe how, in today's information-overloaded world, it is now the smallest changes that lead to the biggest differences in results.

Negotiation is the most important skill you can develop to get what you want in business and life. But we often struggle to do it effectively. We fail to recognise opportunities, we prepare poorly or we let ourselves be led by others or by our own fear. Natalie Reynolds, negotiation expert and CEO of negotiation consultancy Advantage Spring, will teach you how to avoid these pitfalls, to keep cool and in control and to achieve what you want every time - whether you're responsible for large deals at work or simply renegotiating your phone contract.

Richard Denny is the "godfather of salesmanship" and Selling to Win has established itself as both an international best seller and a classic sales text. The most inspirational business speaker in the UK, Richard has helped countless thousands of salespeople become high flyers and here he explains how to put his winning techniques into action. Selling to Win is full of unbeatable sales tips and essential practical advice, such as how to: get a sale when you are not the cheapest, turn your customer into an ambassador, build a positive attitude that gets results, beat the competition, and close a sale.

We all know the benefits of healthy eating, but in practice, it’s often just not compatible with a busy, working lifestyle. But what if that didn’t have to be the case? Productivity and nutrition experts Graham Allcott and Colette Heneghan present a new way to think about what you eat: the Productivity Ninja way.

Are you taking calcium or vitamin D? This book could save your life! Learn the secret to avoiding osteoporosis and heart disease. Millions of people take calcium and Vitamin D supplements thinking they're helping their bones. The truth is, without the addition of Vitamin K2, such a health regimen could prove dangerous. Without Vitamin K2, the body cannot direct calcium to the bones where it's needed; instead, the calcium resides in soft tissue, like the arteries, leading to a combination of osteoporosis and atherosclerosis, or the dreaded "calcium paradox".

Here, Dr. Lawrence Peltz, who has worked as an addiction psychiatrist for more than two decades, draws from his clinical experience and on the techniques of mindfulness-based stress reduction (MBSR) to explain the fundamental dynamics of addiction and the stages of the recovery process, and also gives us specific mindfulness exercises to support recovery.

Statins are the so-called wonder drugs widely prescribed to lower blood cholesterol levels and claim to offer unparalleled protection against heart disease. Believed to be completely safe and capable of preventing a whole series of other conditions, they are the most profitable drug in the history of medicine. In this ground-breaking work, GP Malcolm Kendrick exposes the truth behind the hype, revealing: high cholesterol levels don't cause heart disease; a high-fat diet

In Your Brain Is a Time Machine, brain researcher and best-selling author Dean Buonomano draws on evolutionary biology, physics, and philosophy to present his influential theory of how we tell and perceive time. The human brain, he argues, is a complex system that not only tells time but creates it; it constructs our sense of chronological flow and enables "mental time travel" - simulations of future and past events.

Breakfast may be the most important meal of the day, but only if we skip it. Fasting is a wonderfully healthy state. When we fast our insulin levels fall, as do our blood sugar, triglyceride and cholesterol levels. Most usefully, when we fast we lose weight. But what do too many of us do on waking? We break that lovely gift of fasting - we literally breakfast - and we eat, so courting type 2 diabetes, obesity, heart disease, strokes, hypertension, dementia and cancers of the liver, breast, pancreas and uterus.

The field of mind-body medicine is plagued by wild claims that mislead patients and instil false hope. But as scientists in a range of fields uncover solid evidence that our minds influence our bodies quite profoundly, there is now great promise, too. Jo Marchant attempts to use scientific research to find out if alternative medicines work; if our thoughts, beliefs and emotions influence our physical health; and if we can train our brains to heal our bodies.

The Great Mental Models: General Thinking Concepts is the first book in The Great Mental Models series designed to upgrade your thinking with the best, most useful and powerful tools so you always have the right one on hand. This volume details nine of the most versatile all-purpose mental models you can use right away to improve your decision making, your productivity, and how clearly you see the world.

Testosterone Rex is the powerful myth that squashes hopes of sex equality by telling us that men and women have evolved different natures. Fixed in an ancestral past that rewarded competitive men and caring women, these differences are supposedly recreated in each generation by sex hormones and male and female brains. Testosterone, so we're told, is the very essence of masculinity, and biological sex is a fundamental force in our development. Not so, says psychologist Cordelia Fine.

Daily Telegraph economics editor Edmund Conway introduces and explains the central ideas of economics in a series of 50 clear and concise essays. Beginning with an exploration of the basic theories, such as Adam Smith’s ‘invisible hand’, and concluding with the latest research into the links between wealth and happiness, he sheds light on all the essential topics needed to understand booms and busts, bulls and bears, and the way the world really works.

The very best didn't get there by accident. The best have a different way of thinking and acting in their daily lives. And it's not enough to just to succeed - they also have an uncontrollable desire - the desire to get better. The good news for the rest of us is that success leaves tracks. Michael Heppell has spent his life studying successful people, attempting to distil what it is that the very best do that others don't. He's interviewed entrepreneurs, personalities and leaders from politics to education.