- Randall has by now written several books, three of which have their own page on this site.
- Recently he used no less than five comics to promote his How To book, which came out on the day that 2198: Throw became the fourth directly related comic.
- He also did something similar with 1608: Hoverboard when Thing Explainer came out.
- His third book, with a page here on explain xkcd, is what if? the book based on his what if? blog, but that book did not have a similar promotion in comics.
- In that explanation his first book xkcd:volume 0 is also mentioned.
- He also wrote a novella in the book Machine of Death compilation, which he promotes in the title text of 1341: Types of Editors. That would thus be his first book promotion in xkcd.
- Here is a list of comics that has been made to promote books Randall has written:
This category has only the following subcategory.