It is effective, and works. You might want to consider some McGuffy Readers. The early primers are actually better. I found a couple of work books to go with the First Reader, and flash cards to go with the primer. Another good approach is The Victory Drill Book.
Scripture is introduced early on, once a child has enough words.
It also includes some tips for teaching fluency. The story of Geo Washington works well right after McGuffy Reader 1. However, it is always good to know when you are looking about at garage sales, what to look for.but that is probably more for the 6-7 year old set at this point. Dear Bluedorns, As we discussed over the phone, my wife Gaby and I are subscribing to your Trivium Loop, and we look forward to some stimulating and helpful discussions. The overall philosophy of the editors is to have students read for pleasure and write with enthusiasm.