I am a book about ... something! Wikipedia has information about books: hover over the link for more information.
If you sold 100 books at $10 per book, you’d have $1000 dollars according to (1). If instead you publish your Jupyter Book to the web for free, you’d have $0 dollars!
Sometimes when reading it is helpful to foster a tranquil environment. The image in Figure 1 would be a perfect spot!
Figure 1:A photograph of some beautiful mountains to look at whilst reading.