Human Development

In 2017, author Shanna Swan and her team of researchers completed a major study. They found that over the past four decades, sperm levels among men in Western countries have dropped by more than 50 percent. They came to this conclusion after examining 185 studies involving close to 45,000 healthy men. The result sent shockwaves around the globe - but the story didn’t end there.

In The Seeker’s Code, Donny Epstein helps you discover Energetics to go beyond yourself and our physical and cultural reality. By accessing and contributing to the sacred energy and information Field that connects us all, you are capable of awakening and transforming in a moment. The same self-organizing wisdom that animates, motivates, and creates all possibilities is available to you now.

In the ever more competitive race to secure the best possible future, today’s students face unprecedented pressure to succeed. They jam-pack their schedules with AP classes, fill every waking hour with resume-padding activities, and even sabotage relationships with friends to “get ahead.” Family incomes and schedules are stretched to the breaking point by tutoring fees and athletic schedules. Yet this drive to optimize performance has only resulted in skyrocketing rates of anxiety, depression, and even self-harm in America’s highest achieving schools.

Discover the power of Linux, without needing to be a tech wizard. Linux Made Human is your beginner-friendly guide to navigating the world of open-source computing. Whether you're fed up with Big Tech, craving more control over your system, or just curious about what lies beyond Windows and macOS, this book takes you step-by-step through everything you need to know—no experience required.

AI makes headlines, but many organizations face stalled projects, fragile infrastructure, and costly deployments. The AI Engineering Bible fills this gap. For engineers, leads, architects, and product owners, it offers a systematic approach to production-ready AI—grounded in best practices, scalable infrastructure, and real-world use. Covering the full AI lifecycle—from problem definition and data acquisition to deployment, optimization, and maintenance—it provides the depth needed to lead AI at scale.

If you want to discover how people with dark personalities work and what it really takes to persuade someone, then pay attention...

Pioneering research psychologist Roy F. Baumeister collaborates with New York Times science writer John Tierney to revolutionize our understanding of the most coveted human virtue: self-control. Drawing on cutting-edge research and the wisdom of real-life experts, Willpower shares lessons on how to focus our strength, resist temptation, and redirect our lives. It shows listeners how to be realistic when setting goals, monitor their progress, and how to keep faith when they falter.

A kick-in-the-pants wake-up call to start living meaningfully in light of how many Mondays you have left from longtime coach, positive psychology expert, and Penn Resilience Program instructor Jodi Wellman.

Is There Sex After Marriage? is the answer for the millions of Americans trapped in the cycle of low- or no-sex marriages. Contrary to the widespread cultural acceptance, from TV shows to standup comedy, sex doesn't have to end once the honeymoon does. Seasoned sex-pert Carol Botwin brings her decades of relationship experience to bear and teaches couples with no-nonsense candor and plenty of humor how to rekindle the fire they had in their courtship, and how to keep it burning forever.

Why would most people endure unwanted or unsatisfying touch, rather than speak up for their own boundaries and desires? It’s a question with a myriad of answers–and one that Dr. Betty Martin has explored in her 40 plus years as a hands-on practitioner.

Men are right. The "relationship talk" does not help. Dr. Patricia Love’s and Dr. Steven Stosny’s How to Improve Your Marriage Without Talking About It reveals the stunning truth about marital happiness: Love is not about better communication. It's about connection.

Have you ever felt like your message isn’t landing, your voice isn’t being heard, or your words aren’t creating the impact you want? In The Seven Frequencies of Communication, world-renowned speaker and bestselling author Erwin Raphael McManus unveils a groundbreaking framework to help you master the art of connection and unlock the potential of your words. Every conversation has the power to ignite possibility—or extinguish it.

The Art of Human Chess: A Study Guide to Winning is a masterpiece. Its intended purpose is to teach the science of winning, giving the ordinary person on the streets and the person fresh out of college a chance to compete with the ruthless sharks in today's marketplace.

El encanto, la persuasión, el talento para crear ilusiones: és-tas son tres de las muchas habilidades del seductor, ese individuo irresistible y capaz de manipular, engañar y dar placer a la vez. Llevada a la altura del arte, la seducción ha acabado con imperios, ganado elecciones presidenciales y esclavizado a las mentes más brillantes. En este libro revelador, Robert Greene expone las dos caras del acto seductor: el carácter y el proceso.

How do experiences shape what we bring into the world? In The Human Spark, pioneering psychologist Jerome Kagan offers an unflinching examination of personal, moral, and cultural development that solidifies his place as one of the most influential psychologists of the past century. In this definitive analysis of the factors that shape the human mind, Kagan explores the tension between biology and the environment.

Do you know what career you’re really meant to pursue? Can you identify the relationships you should really be investing in? Are you living your life to the fullest? Human Design is a mystical personality assessment that uses NASA data, astrology, and Eastern philosophy to generate mind-blowingly accurate insights into how you uniquely thrive at work, in love, and beyond.

Dr. John Gottman, the country's preeminent researcher on marriage, is famous for his Love Lab at the University of Washington in Seattle where he deciphers the mysteries of human relationships through scientific research. His 35 years of exploration have earned him numerous awards, including from the National Institute of Mental Health, the American Psychological Association, and the American Association for Marriage and Family Therapy. Now, Dr. Gottman offers surprising findings and advice on the characteristic that is at the heart of all relationships: trust.

Long before the term cuckold was a common word thrown around in the media, Dr. Ley explored the history and science of cuckolding. This groundbreaking work explores why and how some men not only allow, but encourage, their wives to pursue sexual relationships with other men.

In the instant #1 New York Times bestseller Act Like a Lady, Think Like a Man, Steve Harvey gave millions of women around the globe insight into what men really think about love, intimacy, and commitment. In his new book, he zeros in on what motivates men and provides tips on how women can use that knowledge to get more of what they need out of their relationships.

Acuff knows the reason why many writers' novels go unfinished - it's the same reason why gyms are filled in the first week of January and empty by the end of the month and why people stop learning a new language once they get past the easy parts. It's not just that people lose momentum or get distracted. People give up on projects when they fail to live up to their own high expectations and decide that if they can't do something perfectly, they won't do it at all. If you're going to finish, you have to kill perfectionism.