This is the 14000th most frequent Turkish word.
meselelerinden
"Of/from their issues/matters."
The word 'meselelerinden' refers to 'issues from' or 'topics related to' social matters as represented in this book.
Bu kitabın sosyal meselelerinden bahsediyoruz.
We are discussing the social issues addressed in this book.
Here, 'meselelerinden' means 'matters from' or 'issues related to' their personal lives.
Onların kişisel meselelerinden uzak durmalıyız.
We should stay away from their personal matters.
In this sentence, 'meselelerinden' denotes 'topics from' or 'issues related to' the realm of education.