This is the 226th most frequent Slovenian word.
izmed
"Among" or "out of."
Here, 'izmed' specifies a choice from within a defined group, namely the possessive indicating the speaker's favorite books.
Ena izmed mojih najljubših knjig je Alkimist.
One of my favorite books is The Alchemist.
In this sentence, 'izmed' is used to indicate a selection from a provided set of options.
Izmed vseh ponujenih možnosti je izbral prvo.
Out of all the options offered, he chose the first one.
Here 'izmed' signifies a preference or opinion from a group of visited locations.