The authors may be planning a follow-up to this because in an article published (in a non-academic journal, albeit one claiming "Academic rigour, journalistic flair") in May 2024 they wrote:
We surveyed almost 1,000 readers and writers of historical romance novels from around the world, in 2019 and again in 2023. We asked them what makes a historical romance novel authentic – and does accuracy matter?
The authors may be planning a follow-up to this because in an article published (in a non-academic journal, albeit one claiming "Academic rigour, journalistic flair") in May 2024 they wrote: