Mobile Ed's Tough Topics sale starts today and goes through June 15. See what courses are on sale here: https://www.logos.com/tough-topics
As part of the sale, we've created a new Tough Topics Bundle that is over 70% off. This bundle includes courses by Doug Moo, Craig Blomberg, Craig Keener, and Mike Heiser: https://www.logos.com/product/154695/mobile-ed-tough-topics-2018-bundle
There are several other individual courses discounted either 50 or 40%.