This maybe https://www.vitalsource.com/products/waging-war-wayne-e-lee-v9780190267216 https://www.vitalsource.com/products/waging-war-wayne-e-lee-... ? There

This maybe https://www.vitalsource.com/products/waging-war-wayne-e-lee-v9780190267216 https://www.vitalsource.com/products/waging-war-wayne-e-lee-... ? There are endless websites that sell ebooks (ePub is only one format, you can easily switch between formats if you need), just google the name+ebook or epub