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.

Your brain was designed for love, but modern technology has hijacked it for survival mode. Are you stuck in anxious texting cycles, ghosting fears, or emotional overwhelm every time your phone buzzes? Constant notifications can turn relationships into battlegrounds of uncertainty and stress.

At its heart, polyvagal theory describes how the brain's unconscious sense of safety or danger impacts our emotions and behaviors. In this powerful book, pediatrician and neonatologist Marilyn R. Sanders and child psychiatrist George S. Thompson offer both a meditation on caregiving and a call to action. By attending to the lessons of polyvagal theory—that adult caregivers must be aware of children's unconscious processing of sensory information—the authors show how professionals can play a critical role in establishing a sense of safety even in the face of dangerous situations.

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....

Erik Erikson's Stages of Psychosocial Development: A Complete Guide to Understanding and Applying His Major Ideas in Everyday Life is your essential roadmap to mastering one of the most influential psychological theories of the 20th century. Whether you're a psychology student, educator, therapist, parent, or simply someone interested in personal growth, this comprehensive and reader-friendly guide helps you understand and apply Erikson’s 8 stages of psychosocial development in everyday life. Explore how trust, autonomy, identity, intimacy, and legacy shape who we become—from infancy to...

Understanding Jean Piaget: A Complete Guide to Cognitive Development, Learning Stages, and Educational Theory is your definitive introduction to one of the most influential psychologists of the 20th century. Whether you're a student, educator, parent, or lifelong learner, this accessible guide breaks down Piaget's revolutionary theory of cognitive development in a way that’s clear, engaging, and deeply informative. Explore Piaget’s four stages of cognitive growth—Sensorimotor, Preoperational, Concrete Operational, and Formal Operational—and gain insight into how children think, ...

The Third Circle Theory is the theory that the founder of Secret Entourage created to explain how visionaries are made and billion dollar ideas born from nothing more than your observations. The theory which has proven to be the same for all the successful individuals who have not only found their purpose in life but have executed on their beliefs, and as a result established themselves as successful innovators, explorers, educators, and entrepreneurs is now clearly defined and will teach you how to live successfully.

¿Qué pasaría si la felicidad, el éxito y el amor fueran más fáciles de alcanzar de lo que crees? En su nuevo audio libro, Mel Robbins, reconocida experta en motivación y mentalidad, te propone un enfoque revolucionario: aprender a soltar. Soltar las expectativas, el control, las comparaciones y el miedo para empezar a vivir plenamente.

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.

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.

In order to improve closeness and intimacy in all relationships, it is important to first understand the clear parallels between adult behavior and childhood experiences. Attachment Theory combines traditional teachings with knowledge of subconscious patterns to provide powerful tools for powerful change.

A Life-Changing Collection for Deep Healing, Self-Regulation, and Lasting Transformation Struggling with anxiety, stress, or emotional overwhelm? Imagine waking up tomorrow feeling calm, grounded, and in control, without years of therapy, endless coping strategies, or feeling stuck in survival mode. This comprehensive collection brings together two highly acclaimed books—The Somatic Therapy Handbook and The Polyvagal Theory Handbook—to provide you with a science-backed, practical path to healing from within.

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.

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, relationship-destroying external control psychology. For example, if you are in an unhappy relationship right now, he proposes that one or both of you could be using external control psychology on the other. He goes further. And suggests that misery is always related to a current unsatisfying relationship.

Enter the world where artificial intelligence meets ambitious side hustlers. ChatGPT Side Hustle Income explores the endless possibilities of ChatGPT and its ability to enhance online side jobs. Discover how ChatGPT can take your side hustle to new heights. From content creation to digital marketing to business services, we uncover various uses, highlight real-world scenarios, and list prompts to unleash ChatGPT’s full potential.

Understanding Abraham Maslow and The Hierarchy of Needs: A Complete Guide to Human Motivation, Self-Actualization, and Personal Growth explores the enduring legacy of one of psychology’s most influential thinkers. This accessible and in-depth guide breaks down Maslow’s groundbreaking theory—from physiological needs to self-actualization—and explains how his ideas can still shape our lives, relationships, workplaces, and mental health in today’s complex world. Whether you're a student of psychology, a teacher, a leader, or someone on a journey of self-discovery, this book offers ...

The Polyvagal Theory Workbook for Trauma offers evidence-based activities to help you heal the effects of trauma, rewire your nervous system, and return to a state of balance and calm. You'll begin by getting to know your nervous system, including an exploration of polyvagal theory and the vagus nerve. You'll also learn soothing, body-based practices to help you rewire your nervous response, including rhythmic movements (EMDR and tapping), conscious breathing, mindful movement, and more.

One of the very best scientific predictors for how any child turns out - in terms of happiness, academic success, leadership skills, and meaningful relationships - is whether at least one adult in their life has consistently shown up for them. In an age of scheduling demands and digital distractions, showing up for your child might sound like a tall order. But as best-selling authors Daniel Siegel and Tina Payne Bryson reassuringly explain, it doesn’t take a lot of time, energy, or money. Instead, showing up means offering a quality of presence.

Ready to propel your business into the AI revolution? Curious about how to harness the power of AI, even without technical know-how? Launch into a world of limitless opportunities with ChatGPT, the AI tool that's revolutionizing the landscape of business.

In this audiobook, psychotherapist David Richo explores how we replay the past in our present-day relationships - and how we can free ourselves from this destructive pattern. We all have a tendency to transfer potent feelings, needs, expectations, and beliefs from childhood or from former relationships onto the people in our daily lives, whether they are our intimate partners, friends, or acquaintances.