According to Don Rosa, Grandma was born around 1855.

So he and Hortense became parents when they already were more than 40 years old, according to Don Rosa.

It is the first story Don Rosa did for Egmont.

He has edited two books with the works of notable Disney comics artist Don Rosa.

Don Rosa stated that he had based the story on the history of the Anaconda mine.

As Don Rosa announced his retirement in June 2008, this is his final story.

According to the unofficial timeline of Don Rosa, Daisy was born in 1920.

The character was later used Don Rosa.

Don Rosa earned the Will Eisner Award in 1995 for this work.

Nobody's Business was the second comic after Son of the Sun by Don Rosa.