I didn't see this mentioned elsewhere but Heroes and Villains of the Silk Road and 101 Sarmations are both $2 off!
https://www.drivethrurpg.com/en/product/451336/heroes-villains-of-the-silk-road (https://www.drivethrurpg.com/en/product/451336/heroes-villains-of-the-silk-road)
https://www.drivethrurpg.com/en/product/506226/101-sarmatians (https://www.drivethrurpg.com/en/product/506226/101-sarmatians)