I like the confessional style of this letter, but I think it’s occasionally messy.

“Trying to find you in passages from books that I have read because I know that you will be there.” isn’t properly constructed. Perhaps you could add ‘I am’ to the start or replace trying with ‘I try’.

The first semicolon should be a colon, I think.

I really liked this… because its so true. I liked the format of this story. Thank you for sharing