Time to get serious. I have several writing curricula, and I'm formalizing them into texts for educators. They are simple and easy to integrate, and available both as Kindle and print texts. Here is the first: 

https://smile.amazon.com/dp/B07C6TD17N/ref=sr_1_1?ie=UTF8&qid=1523916085&sr=8-1&keywords=rhetoric+a+text+for+middle+and+high+school+students