The ratio will be 1:9
Step-by-step explanation
The given ratio was
Novels:Essays:Short stories = 2:12:4
Adding all the ratios will give the number that corresponds to the total works she read.
Total ratio is

The required ratio, which is the ratio of Novels to total works read is given by,

We can divide each term in the ratio by 2 to obtain,

Therefore the ratio of Novels to total books read is 1:9.