Should churches teach this, or should they rather teach bible books and biblical theology? Perhaps most Reformed churches would teach systematic theology. I volunteered to teach a intro to systematic theology in SS but the pastor rejected my request. I would use A lay level Wayne Grudem and RC sproul book to aide me. The topics I said I would teach have nothing to do with Calvinism as I said I could teach on the Holy Spirit or the trinity and I would even use non Cal John Walvoord as a source. So sad on the pastor doing this, but even he and the entire church avoid systematic theology.