This is the 27th most frequent Hebrew word.
מאוד
Very.
The word "מאוד" is used here as an adverb to emphasize the intensity of the speaker's love for reading books.
אני מאוד אוהב לקרוא ספרים.
I really love to read books.
In this sentence, "מאוד" is employed to intensify the adjective "יפה" (beautiful), stressing the extent of beauty.
הצילום הזה מאוד יפה.
This photograph is very beautiful.
Here, "מאוד" modifies the adverb "קשה" (hard), highlighting the extent of effort put into the action.