I automate Excel for clients worldwide:

http://www.precisioncalc.com/custom

I write & sell Excel add-ins:

http://precisioncalc.com/products.html

I publish long-lost children's stories by Thornton W. Burgess; also a reader's guide and book collector's guide:

https://www.amazon.com/s?i=digital-text&rh=p_27%3AGregory+J.+Lovern