Research. Some writers love it, some don’t, but with nonfiction (and fiction), it is a critical part of your writing.
Readers won’t hesitate to tell you when your facts are wrong. That damages your credibility, and that reader might put down your book the moment they spot an inaccuracy. That same reader may very well never purchase another of your books. All the more reason to ensure your facts are accurate (even in fiction).
“Since I myself have carefully investigated everything from the beginning, I too decided to write an orderly account for you” (Luke the Physician in Luke 1:3).
Luke tells us he “carefully investigated everything” before writing his gospel account of Jesus’ life. In other words, he did his research first! I especially like that word carefully because these days with the Internet and AI at our fingertips, it’s easy to find information, but you can’t always trust that content. Be sure to read the “16+ Free Online Resources” for trustworthy places to start.
Verify Research Using More Than One Source
Check the accuracy of any AI or Internet information you get with 2-3 other sources. Don’t discount the good old fallback of a book from the city library (or a university library). And don’t hesitate to ask librarians manning the reference desk for help. They’re a fount of info.
I rather doubt Luke had many written sources he could reference. That means he probably “interviewed” a lot of people. You can do the same. Ask friends, family, acquaintances, professionals if they can answer a few questions about your topic or refer you to someone who can.
I don’t want to repeat here what I’ve already written, so here are 3 previous posts on research that each focus on a different aspect of the task:
https://www.themotivationaleditor.com/doing-research-for-your-book/
https://www.themotivationaleditor.com/mistakes-in-doing-research/
https://www.themotivationaleditor.com/16-free-online-resources-research-novel/ (very applicable to nonfiction too)
Happy hunting!