There are tons of excellent Catholic books on the Book of Proverbs.
Most of them are in Latin.
For example, St. Bede’s got a wonderful book on Proverbs, but it’s never been translated into English.
St. Albert the Great had a wonderful book on the Valiant Woman section of Proverbs (Chapter 31), but it wasn’t translated into English until this year. I’m pretty sure old Fr. Cornelius de Lapide had a volume of Proverbs commentary, but that’s probably in Latin too, as I think only his Gospel commentaries have been translated into English. And so on.
I assume you want something a little more recent, though?
There’s a volume of the Ignatius Study Bible that covers Proverbs, Ecclesiastes, and Songs. There’s also four Kimberly Hahn books of Bible studies about Chapter 31.
I don’t really know about a lot of other ones.
The main thing with Proverbs is that it’s not what I’d call a difficult book. Most of it is self-explanatory. The Woman can be compared with the Church, Mary, etc., but other than that part and a few others, Proverbs isn’t terribly big on foreshadowing of salvation history, etc. Nevertheless, the book itself gets quoted heavily by Catholic authors through the ages, so it’s not like people are ignoring it; they just read it and go on.
