No code example ? No, it's a sign of bad book itself. One code example is worth 1000 images, and 1 image is worth 1000 words. Always use code block to illustr

No code example ? No, it's a sign of bad book itself. One code example is worth 1000 images, and 1 image is worth 1000 words. Always use code block to illustrate your point, as it help reader understand better your point. Writing a book is more about getting reader into your thought rather than make them think.