Ererena Hauna
No matching author named 'Ererena Hauna' was found in the provided search results. The closest result is Dr. Erena Rangimarie Omaki Ransfield Rhöse, a Maori woman from Aotearoa (New Zealand) who has lived in Sweden for 30 years, married to a Swedish husband, with a Maori name meaning 'flying, hopping peace star.' However, there is no indication she is an author, and the name does not match.