"When I found out I had won, I was over the moon.
"Sometimes, dreams really do come true."
The judges attributed Anna's win to her interesting approach and attention to detail and said that they were particularly impressed by her ending. Mathew Prichard, Agatha Christie's grandson, commented that Anna's entry had elements of Agatha Christie's own style and for Anna, there is no greater compliment.
The prize is a literary dinner with Agatha Christie's grandson and Harper Collins judges, and it would mean the world to Anna if she could attend. Unfortunately, she doesn't have the funds for flights and accommodation.
Anna has seen many dreams wither and die, and many opportunities did not come to fruition because of her on-going health issues.
"Not long after I finished school, I developed depression, severe anxiety, insomnia and a host of other issues. I was diagnosed with chronic fatigue syndrome, and have never fully recovered," Anna says.
A page for online donations has been set up at www.givealittle.co.nz.
Anna is "incredibly grateful" to those who have made donations, and asks people to include their contact details so she can refund them if for any reason the trip doesn't go ahead.