"Apparently, it was removed"
The place has gone or never existed. A user of Organic Maps application has reported that the POI was visible on the map (see snapshot date below), but was not found on the ground.
OSM snapshot date: 2024-07-23T19:32:09Z
POI name: Little Free Library
POI types: amenity-library
#organicmaps android

Unable to answer "Is this inside a building?" – Euronet (ATM) – osm.org/node/10047334018 via StreetComplete 58.2:

Does not exist at the moment

Ali se ta pot nadaljuje po grebenu do vrha Prvejka?

Allie

This shed is suspicoiusly separated, it would be great if it was merged.

via StreetComplete_ee 53.2

There are three benches missing.

via StreetComplete 58.2

Attached photo(s):
https://westnordost.de/p/224908.jpg

Playground

Parkirna hiša Meksiko.

Unable to answer "What are the opening hours here?" – Ice Wave (Ice Cream Shop) – osm.org/node/4982492121 via StreetComplete 58.0:

I am not sure where this is supposed to be. The tag is placed in a small tunnel where there are no shops.

Unable to answer "What’s the name of this street?" – Pedestrian Street – osm.org/way/365525471 via StreetComplete 58.0:

This is a part of the square.