Social Health

Robin Dunbar is the world-renowned psychologist and author who famously discovered Dunbar's number: how our capacity for friendship is limited to around 150 people. In Friends, he looks at friendship in the round, at the way different types of friendship and family relationships intersect, or at the complex of psychological and behavioural mechanisms that underpin friendships and make them possible - and just how complicated the business of making and keeping friends actually is.

From the number-one New York Times best-selling author of Primates of Park Avenue, a bold, timely reconsideration of female infidelity that will upend everything you thought you knew about women and sex. In Untrue, feminist author and cultural critic Wednesday Martin takes us on a bold, fascinating journey to reveal the unexpected evolutionary legacy and social realities that drive female faithlessness, while laying bare our motivations to contain women who step out.

Serial killers: Ted Bundy, John Wayne Gacy, and Jeffrey Dahmer are often the first names that spring to mind. Many people assume serial killers are primarily an American phenomenon that came about in the latter part of the 20th century. But such assumptions are far from the truth. Serial killers have been around for a very long time and can be found in every corner of the globe - and they're not just limited to the male gender either. Some of these predators have been caught and brought to justice whereas others have never been found, let alone identified.

When three-month-old Lia Lee arrived at the county hospital emergency room in Merced, California, a chain of events was set in motion from which neither she nor her parents nor her doctors would ever recover. Lia's parents, Foua and Nao Kao, were part of a large Hmong community in Merced, refugees from the CIA-run "Quiet War" in Laos.

Why do we so often seek out physical pain and emotional turmoil? We go to movies that make us cry, or scream, or gag. We poke at sores, eat spicy foods, immerse ourselves in hot baths, run marathons. Some of us even seek out pain and humiliation in sexual role-play. Where do these seemingly perverse appetites come from? Drawing on groundbreaking findings from psychology and brain science, The Sweet Spot shows how the right kind of suffering sets the stage for enhanced pleasure.

How does the way someone use their feet show if they’re interested in you? Does knowing someone really well help or hinder your ability to tell when they’re lying? Why do people in business meetings touch their face while the boss is talking? How to Tell What People Are Thinking answers these questions and explains how certain clues provide insight into people’s innermost thoughts. Social psychologist Peter Collett decodes the fascinating intricacies of body language and speech, analyzing behaviors that range from boardroom bravado to date-night deceit.

Is It You, Me, or Adult A.D.D.? is a meticulously researched, comprehensive guide to recognizing and dealing with Adult ADHD, offering a message of hope for the millions of people whose lives this disorder has impacted.

From filmmaker, actor, and author Justin Baldoni comes a real-talk, self-esteem-building guidebook that helps boys ages 11 and up embrace their feelings and fears instead of repress them. Filled with activities, sidebars, and inspirational quotes, this book is the perfect social-emotional learning tool for parents and educators to jump-start conversations about masculinity with the boys in their lives.

Is it right to eat a pig that wants to be eaten...? Thought experiments are short scenarios that pose a moral or philosophical problem in a vivid and concrete way. In this book Julian Baggini presents 100 of the most intriguing thought experiments from the history of philosophy and ideas.

Half of all marriages end. Unfortunately, about 20% of divorces are high-conflict, involving frequent visits to court, allegations of abuse, and chronic disagreements regarding parenting schedules. In response to this conflict, some children become aligned with one parent against the other - even a parent who has done nothing to warrant the hostile rejection of their formerly loving children. These parents are on a painful journey with an uncertain outcome. Surviving Parental Alienation fills the tremendous need for concrete help for these parents.

New York Times best-selling author Dan Heath examines how to prevent problems before they happen, drawing on insights from his innovative behavior research, as well as hundreds of new interviews with unconventional problem solvers. Most of us spend our days handling a deluge of pressing issues. We’re so accustomed to managing emergencies as they strike that we often don’t stop to think about how we could prevent crises before they happen. Why stop at treating the symptoms when you could develop a cure?

Harvard Medical School has followed 824 subjects - men and women, some rich, some poor - from their teens to old age. Harvard's George Vaillant now uses these studies - the most complete ever done anywhere in the world - and the subjects' individual histories to illustrate the factors involved in reaching a happy, healthy old age. He explains precisely why some people turn out to be more resilient than others, the complicated effects of marriage and divorce, negative personality changes, and how to live a more fulfilling, satisfying and rewarding life in the later years.

Based on a far-reaching study of thousands of individuals, Finding Flow contends that we often walk through our days unaware of and out of touch with our emotional lives. Our inattention makes us constantly bounce between two extremes: During much of the day, we live filled with the anxiety and pressures of our work and obligations, and during our leisure moments, we tend to live in passive boredom.

There is no one better qualified than Jared Diamond - renowned expert in the fields of physiology and evolutionary biology and award-winning author - to explain the evolutionary forces that operated on our ancestors to make us sexually different. With wit and a wealth of fascinating examples, he explains how our sexuality has been as crucial as our large brains and upright posture in our rise to human status.

Why America's sons are underachieving, and what we can do about it. Something is happening to boys today. From kindergarten to college, American boys are, on average, less resilient and less ambitious than they were a mere 20 years ago. The gender gap in college attendance and graduation rates has widened dramatically. In Boys Adrift, Dr. Leonard Sax delves into the scientific literature and draws on more than 20 years of clinical experience to explain why boys and young men are failing in school and disengaged at home.

By looking at what separates the extremely successful from the rest of us, we learn what we can do to be more like them - and find out, in some cases, why it's good that we aren't. Barking up the Wrong Tree draws on startling statistics and surprising anecdotes to help you understand what works and what doesn't, so you can stop guessing at success and start living the life you want.

Fulfilling sex nourishes love, rejuvenates the body, and boosts mental health. Unfortunately, prevailing attitudes in the West work against the natural capacity of women to realize their sexual potential and experience deep orgasmic states. Tantric Orgasm for Women offers women a fresh look at the ecstatic bliss possible within their bodies, using knowledge and approaches from the sensually cultivated traditions of the East.

A leading expert on human sexuality and author of the blog Sex and Psychology offers an unprecedented look at sexual fantasy based on the most comprehensive, scientific survey ever undertaken. What do Americans really want when it comes to sex? And is it possible for us to get what we want? Justin J. Lehmiller, one of the country's leading experts on human sexuality and author of the popular blog Sex and Psychology, has made it his career's ambition to answer these questions.

Lia and Cassie are best friends, wintergirls frozen in fragile bodies, competitors in a deadly contest to see who can be the thinnest. But then Cassie suffers the ultimate loss - her life - and Lia is left behind, haunted by her friend's memory and racked with guilt for not being able to help save her.

This clever and pithy audiobook challenges introverts to take ownership of their personalities...with quiet strength. Sophia Dembling asserts that the introvert’s lifestyle is not "wrong" or lacking, as society or extroverts would have us believe. Through a combination of personal insights and psychology, The Introvert’s Way helps and encourages introverts to embrace their nature, to respect traits they may have been ashamed of and reframe them as assets.