They give the details of the challenge and what they are looking for in the link I gave you. I think they want more of a personal take on books that you use or if you don't have access to books you can do a write up of videos etc. Interview your wife about the place natural medicine books have in her life!

I have another idea for a fund raiser - put your photos into a book and sell them. I cna help you put them together and I have a lovely template for creating photo books and can help you get them up on Amazon and other online book stores. DM me on discord if you are interested my friend!