SCM History Guides have Bible scheduled that aligns with history. Maybe we aren’t clear on what you are wanting to do. Are you hoping to continue with Ambleside but use the SCM Bible schedule? I think the easiest way to combine, if that is the goal, would be to start with the SCM guide and plug the Ambleside readings into that. I think Ambleside starts with history of your own country doesn’t it? Which may not align with Bible history at all, depending on what country you hail from. SCM still schedules Bible, it just stops squaring with history after Acts/Rome.