That sound great, would love to hear some feedback on the your adventures using this system. Your sons are lucky to have a dad who is involving them in RPGs. You are creating a new generation of players.
They are both in their twenties now! I started them with Moldvay, when they were 9 and 4…
Both of them, like myself, have moved away from 5E and started looking for other games that hearten back to those days.
