Helgi Thor Ingason & Haukur Ingi Jonasson (2019). Project: Execution. London/New York: Routledge/Taylor and Francis.

Haukur Ingi Jonasson & Helgi Thor Ingason (2018). Project: Leadership. London/New York: Routledge/Taylor and Francis.

Helgi Thor Ingason & Haukur Ingi Jonasson (2018). Project: Strategy. London/New York: Routledge/Taylor and Francis.

Haukur Ingi Jonasson & Helgi Thor Ingason (2018). Project: Communication. London/New York: Routledge/Taylor and Francis.

Haukur Ingi Jonasson & Helgi Thor Ingason (2012). Project Ethics. London/New York: (Gower Book) Routledge/Taylor and Francis.

Haukur Ingi Jónasson & Helgi Þór Ingason (2012). Samskiptafærni – Samskipti, hópar og teymisvinna. Reykjavík: JPV útgáfa.

Helgi Þór Ingason & Haukur Ingi Jónasson  (2012). Skipulagsfærni – Verkefni, vegvísar og viðmið. Reykjavík: JPV útgáfa.

Haukur Ingi Jónasson & Helgi Þór Ingason (2011). Leiðtogafærni – Sjálfskilningur, þroski og þróun. Reykjavík: JPV útgáfa.

Helgi Þór Ingason & Haukur Ingi Jónasson (2011). Stefnumótunarfærni – Markmið, Stefna og Leiðir. Reykjavík: JPV útgáfa.

Haukur Ingi Jonasson, In a Land of. Living God – The Healing Imagination and the Icelandic Hertitage.