Can I read a Book written by a Kofer?



My friend suggested me to read a book on relationships, looking up the author online I see that he also wrote books on oso haish. May I read his book on relationships?



Should not be done.


Listen to this podcast attached.

See also references in the Hebrew here:

Is Psychology Kosher?

האם מותר להשתמש באתר Sefaria?

How to treat books of an author who was accused of misbehavior