Carr, D., Arthur, J. & Kristjánsson, K. (Eds.) ( 2017) Varieties of Virtue Ethics, London: Palgrave Macmillan UK.
Kristjánsson, K. et al. (2016) Teaching Character and Virtue in Schools. London: Routledge.
Kristjánsson, K. (2015) Aristotelian Character Education. London: Routledge.
Kristjánsson, K. (2013) Virtues and Vices in Positive Psychology: A Philosophical Critique. Cambridge: Cambridge University Press.
Kristjánsson, K. (2010 hb, 2012 pb) The Self and Its Emotions. Cambridge: Cambridge University Press.
Kristjánsson, K. (2007) Aristotle, Emotions, and Education. Aldershot: Ashgate Publishing.
Kristjánsson, K. (forthcoming) Virtue from the Perspective of Psychology in Handbook of Virtue Ethics, ed. N. Snow. Oxford: Oxford University Press
Kristjánsson, K. (forthcoming) Teachers as Facilitators of Student Flourishing in Positive Education: What Are the Political Implications?” in A. S. Murray, G. Slemp and M. White (eds.) Future Directions in Well-being: Education, Organizations, and Policy, Dordrecht: Springer.
Kristjánsson, K. (forthcoming) An Aristotelian Paradigm of the Virtuous Teacher” in a Chinese translation of K. Wang and E. Campbell (eds.) Professional Ethics and the Moral Work of Teaching: Western Contemporary Research, Fujian, China: Fujian Education Press.
Kristjánsson, K & Gulliford, L. (2017) Five Historic Philosophers Discuss Human Flourishing and Happiness in Positive Psychology: A Speculative Dialogue in Three Acts, in N. Brown, T. Lomas and F. Eiroa Orosa (eds.) The Routledge International Handbook of Critical Positive Psychology, London: Routledge.
Kristjánsson, K (2017) A Tale of Two Default Approaches: Some Old Answers For A New Theory in in W. Sinnott-Armstrong and C. B. Miller, Moral Psychology: Virtue and Character (Vol. 5) A Bradford Book.
Kristjánsson, K (2017) “Foreword: Giving Transcendence and Spirituality Their Due”, in Flourishing in Faith, eds. G. Ambler, M. P. Anstey, T. D. McCall and M. White (Oregon: Cascade Books).
Kristjánsson, K. (2016) The New Synthesis in Moral Psychology versus Aristotelianism: Content and Consequences in Dual-Process Theories in Moral Psychology: Interdisciplinary Approaches to Theoretical, Empirical and Practical Considerations, ed. C. Brand. Wiesbaden: Springer AS.
Kristjánsson, K. (2016) What Are Icelandic Teachers’ Attitudes towards Democracy in Education? (co-authors Ingimar Ólafsson Waage and Amalía Björnsdóttir) in Democracy and Decency: What Has Education Got to Do with It?, ed. P. R. Carr, P. L. Thomas, B. Porfilio and J. Gorlewski. Charlotte, NC: IAP.
Kristjánsson, K.(forthcoming) What Can Moralogy Teach Us about Moral-Exemplar Methodology? Comparisons with Approaches Old and New”, Journal of Character Education.
Morgan, B., Gulliford, L., and Kristjánsson, K (2017) A New Approach to Measuring Moral Virtues: The Multi-Component Gratitude Measure Personality and Individual Differences, 107 (1).
Walker, D. I., Thoma, S. J., Jones, C. and Kristjánsson, K. (2017), Adolescent moral judgement: A study of UK secondary school pupils. Br Educ Res J, 43: 588–607.
Kristjánsson, K. (2017) Emotions targeting moral exemplarity: Making Sense of the Logical Geography of Admiration, Emulation and Elevation, Theory and Research in Education 15(1): 20–37
Kristjánsson, K. (2017) Recent Work on Flourishing as the Aim of Education: A Critical Review”, British Journal of Educational Studies, 65 (1).
Kristjánsson, K. (2016) Awe: An Aristotelian Analysis of a non-Aristotelian Virtuous Emotion. Philosophia.
Kristjánsson, K. (2016) Recent Work on Flourishing as the Aim of Education: A Critical Review. British Journal of Educational Studies.
Kristjánsson, K. (2016) A Philosophical Critique of Psychological Studies of Emotion: The Example of Jealousy. Philosophical Explorations.
Kristjánsson, K. (2016) Jealousy Revisited: Recent Philosophical Work on a Maligned Emotion. Ethical Theory and Moral Practice, 19 (3).
Kristjánsson, K. (2015) Phronesis as an Ideal in Professional Medical Ethics: Some Preliminary Positionings and Problematics, Theoretical Medicine and Bioethics, 36 (5).
Kristjánsson, K. (2015) Grief: An Aristotelian Justification of an Emotional Virtue, Res Philosophica, 92 (4)
Kristjánsson, K. (2015) An Aristotelian Virtue of Gratitude, Topoi, 34 (2)
Kristjánsson, K., Walker, D. and Roberts, M. (2015) Towards a New Era of Character Education in Theory and in Practice. Educational Review 67 (1).