You can find a list on Wikipedia - the link is below.
There is no link.
Yes, several. Go to Google and type in 'agatha cristie complete list of books', then follow one of the top links. she wrote 77 books as well as plays, so too many to write here
What Books did Agatha Christie write in 1934 ?
I don't know precisely, but most of them do. The first murder is merely the secondary trigger, so to speak.
She didn't illustrate any of her books (as far as I know, at least).
First person to write most 66 detectives books
Agatha Christie used to write them, but she died over 35 years ago.
Agatha Christie wrote 80 detective novels, so, yes, she did write mysteries.
Thomas Paine wrote 3 popular books
It depends on how many books they write a year and how popular the books are.
No.
You can't make your books popular. People have different tastes, and some people will like your work while others don't.You can only write the best book that you can - write for yourself, not for anyone else! If people like your books, great! If not, then you have still written your best.
Rick's books started off as bedtime stories for his son who had dyslexia and ADHD, then he started to write them up and they became popular novels.