Please accept my sincere apology for not posting this earlier--it ends tomorrow, Jan. 18; WJK probably uses U.S. Eastern Time; at least its HQ (in Louisville) is in the Eastern Time zone. It's a big sale (not in size so much, as in the amount/percentage of price reductions) by Westminster John Knox.
Now, I'll feel free to make excuses.
For one, the sale, called the "Ebook Flash Sale," was announced only a few days ago. Secondly, it's only on a small percentage of the books that they publish. Thirdly, it is short in duration.
But, again, what the sale lacks in the time regard, it makes up for in big price reductions. How "big" is the sale, in that regard? Well, I saw one ebook marked down at least (I'll explain that in a minute) 92% from the "list price" (I wish that companies wouldn't use "list price" without stating if it is the hard copy list price or the digital list price, the digital price being almost always smaller; however, you still can get an idea of how huge the markdowns are).
If you think of the theological positions of "Christian Interest" having 3 major positions--"conservative," "moderate," and "liberal," I would characterize the bulk of WJK publications leaning left of "moderate" or right of "liberal."
One very helpful feature of WJK's Sale is that they give links to all of the major book sellers for every book in their sale. Utlilizing that feature,
I found that Christian Book consistently has prices less, and by wide margins, than the other sellers. A great way to save even more in this sale!
This link should take you to the sale.