if you are talking about "On the Origin of Species by Means of Natural Selection" then he was fifty years old
She was 32 when the first book was published.
Sarah Weeks was 15 years old when she published her first book.
There is no specific age requirement to get a book published. Anyone, regardless of age, can pursue getting their work published.
The first book was published is 1999 and the last book was published in 2006
Yes, your book can be published at any age.
She was 25 years old
31 years old.
8 years old
She was 25 years old
jerry was 16 when he first published a book
I have a copy of this book that was published in 1913, so that would make the book 100 years old this year.
In 1971 with the book Carpet people, The first discworld book was published in 1983