In case anyone follows this thread, but not the Kobo discount thread, there's a coupon for 90% off making the rounds.
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While Zondervan books don't seem to be eligible for coupons anymore (at least in the US), Thomas Nelson and Tyndale books are. I just bought the rest of the study Bibles that I've been wanting for about $2 each. If you don't have
The Orthodox Study Bible yet, it's still on sale for $3.99, so you could pick it up for forty cents.