With a focus on illuminating the collaborating aspect of their role and advancing nurses’ competencies, debates and guidance are provided in areas such as therapeutic alliance, assessment, care-planning, mental health promotion, family work, trauma, diversity and culture, spirituality, risk and uncertainty, and prescribing. In addition to addressing the leadership, education and advocacy role, specific chapters explore the APMHN role in linking evidence to practice, in the participatory generation of evidence and maintaining professional competence. With a focus on future challenges and opportunities the textbook concludes with discussion on issues, such as eMental Health and future challenges and possibilities facing APMHNs, including challenges in informing policy, democratizing services, working across service and disciplinary boundaries, collaboratively shaping the evidence agenda, as well sustaining their role into the future. Within the book theoretical debate is grounded in case studies and/or examples from across Europe. This textbook is especially relevant to Mental Health Nurses undertaking studies at the Advanced Practice level. It is also suited to all Mental Health Nurses studying at post-graduate level who wish to advance their practice irrespective of the country. Educators, researchers and policy-makers involved in the area of Mental Health and Advanced Nursing Practice along with people with lived experiences will find the text of relevance.