- AudiobookUnsungAmy Knupp
- AudiobookTrue NorthAmy Knupp
- AudiobookUnraveledAmy Knupp
- AudiobookUndoneAmy Knupp
- AudiobookUnexpectedAmy Knupp
- AudiobookTrue HarmonyAmy Knupp
- AudiobookTrue BlueAmy Knupp
- AudiobookTrue ColorsAmy Knupp
- AudiobookTrue HeroAmy Knupp
- AudiobookSeries: Henry BrothersAmy Knupp
- AudiobookSeries: North BrothersAmy Knupp