Ivan Tyrrell

Human Givens: A New Approach to Emotional Health and Clear Thinking

By Joe Griffin, Ivan Tyrrell

Psychotherapy, Counselling and the Human Givens

By Joe Griffin, Ivan Tyrrell

The APET Model: Patterns in the Brain

By Joseph Griffin, Ivan Tyrrell

The Therapeutic Power of Guided Imagery: How to Use Your Mind to Heal Past Hurts, Motivate People and Raise Your Intelligence

By Joe Griffin, Ivan Tyrrell