Development Theory

In her latest groundbreaking book, The Let Them Theory, Mel Robbins—New York Times bestselling author and one of the world's most respected experts on motivation, confidence, and mindset—teaches you how to stop wasting energy on what you can't control and start focusing on what truly matters: YOU. Your happiness. Your goals. Your life.

A road map for building strong and secure relationships for those who struggle with anxiety in their romantic connections. An estimated 47 million Americans identify as having an anxious attachment style, which can make being in relationships turbulent and emotionally taxing for them. According...

Whether you find yourself constantly seeking reassurance in love or pushing away from too much closeness, "Anxious Attachment and Avoidant Detachment" provides the tools to navigate the complexities of intimacy with grace and confidence. You'll learn to speak the language of love fluently, to listen with empathy, and to build the kind of relationships you've always deserved—one where love is not a source of angst but a foundation for growth.

Parenting isn’t easy. Showing up is. Your greatest impact begins right where you are. Now the bestselling authors of The Whole-Brain Child and No-Drama Discipline explain what this means over the course of childhood. “There is parenting magic in this book.”—Michael Thompson, Ph.D...

I Don’t Want to Be an Empath Anymore is a gift for the jaded empath searching for authenticity in spirituality, and spirituality in being authentic - something beyond the clichéd, positive affirmations that seem to invalidate our anger, sadness, and pain. When we feel broken - and when real damage has been done, it’s not always helpful to ignore our feelings and tell ourselves that we are perfect and whole.

#1 NATIONAL BESTSELLER NEW YORK TIMES BESTSELLER “This riveting and beautifully written tale has profound implications for all of our lives, including the practice of medicine and mental health.” —Bessel van der Kolk, MD, #1 New York Times bestselling author of The Body Keeps the Score...

"Dr. Leonard Sax's The Collapse of Parenting should be required reading for all parents."―Dr. Nancy Kehoe, author of Wrestling with Our Inner Angels In The Collapse of Parenting, internationally acclaimed author Leonard Sax argues that rising levels of depression and anxiety among young people...

In the years following her role as the lead author of the international best seller, Limits to Growth - the first book to show the consequences of unchecked growth on a finite planet - Donella Meadows remained a pioneer of environmental and social analysis until her untimely death in 2001. Thinking in Systems is a concise and crucial book offering insight for problem-solving on scales ranging from the personal to the global. Edited by the Sustainability Institute's Diana Wright, this essential primer brings systems thinking out of the realm of computers and equations and into the tangible world....

Do you shut down during difficult conversations? Freeze when you know what to say? Feel anxious over small things, people-please until exhausted, or struggle to relax when everything seems fine? Maybe you have spent years trying to understand yourself. You may have explored anxiety, trauma, attachment, emotional triggers, therapy, journaling, meditation, podcasts, or self-help. Some of it may have helped, but in the moment, it can still feel as though your body takes over. You are not broken. Your nervous system has been doing what it was designed to do: protect you.

When Ava Locke was five years old, she began a journey to join the Benefactors—the leaders of the magical continent of Magus. Twelve years later, she unwittingly started down the road to betray them.

What if the key to happiness, success, and love was as simple as two words? If you've ever felt stuck, overwhelmed, or frustrated with where you are, the problem isn't you. The problem is the power you give to other people. Two simple words—Let Them—will set you free. Free from the opinions, drama, and judgements of others.

Do you keep chasing love but pushing it away the moment it feels too close? Think it’s time to break free from the emotional patterns rooted in childhood and finally feel secure in your relationships? Rewire Your Anxious Attachment is a transformative guide to help you heal from past trauma, boost emotional intelligence, and rewrite your relationship story using the proven tools of attachment theory—so you can build lasting love from the inside out.

#1 NEW YORK TIMES BESTSELLER MORE THAN 5 MILLION COPIES SOLD The first ever self-development book to help millions of people around the globe transform their lives using humor, irreverence, and the occasional curse word—now with an exclusive new chapter on the power of intuition and...

This is the little book that started a revolution, making women's voices heard, in their own right and with their own integrity, for virtually the first time in social scientific theorizing about women. Its impact was immediate and continues to this day, in the academic world and beyond. Translated into 16 languages, with more than 700,000 copies sold around the world, In a Different Voice has inspired new research, new educational initiatives, and political debate.

Dr. William Glasser offers a new psychology that, if practiced, could reverse our widespread inability to get along with one another, an inability that is the source of almost all unhappiness. For progress in human relationships, he explains that we must give up the punishing...

Some people think that salvation is merely about meeting the minimal entrance requirements needed to get into heaven when they die. But that’s not how Jesus talked about it. Rightly understood, salvation is an invitation to know God and to experience his presence, favor, and power starting right here on earth. Best-selling author John Ortberg dispels the myth that eternal life is something we can only hope to experience after we die; recaptures the New Testament definition of salvation, eternal life, and the Good News of the Gospel; and explains what it really means to be a disciple.

The definitive history of a century of psychoanalytic thought “Absolutely crucial in reformulating the psychoanalytic project to meet the intellectual and emotional demands upon it a century after its birth.” —The Guardian Sigmund Freud's concepts have become a part of our psychological...

Kyle McKallister has lived his life in the shadows. Younger brother to one of the world's most elusive and embattled celebrities, Kyle has carved out a comfortable existence touring with his famous brother and living in the lap of luxury with no commitments or plans of his own, only a deep, haunting loyalty to his brother. But his life is about to be shaken up when the opportunity comes to compete on a popular reality show.

Matt Dahlia was a recent college grad with no direction in his life: his business was dead on arrival and all his friends had left town. He was broke and searching for belonging in a world that didn’t understand him. That is, until he serendipitously met Thomas, who not only felt the same way he did, but had a project in mind: Together, along with two more like-minded strangers, they were going to move into a one-bedroom apartment and film themselves doing 30 things they had never done before in 30 days.

Here is a concise, comprehensive overview of Wilber's revolutionary thought and its application in today's world. In A Theory of Everything, Wilber uses clear, nontechnical language to present complex, cutting-edge theories that integrate the realms of body, mind, soul, and spirit. He then demonstrates how these theories and models can be applied to real-world problems in areas such as politics, medicine, business, education, and the environment.