Morton's is having a sale of their back issues on Pocketmags. In addition to other titles from their military history series, the digital version of my book can be had at a steep discount for just $0.99 (or similar in your local currency). If you don't have a copy yet, this is the perfect time to get one: https://pocketmags.com/ca/mortons-books-magazine/designing-the-t-34#
