Authority in Narnia / Douglas Wilson
Get What I Learned in Narnia audio here: https://www.audible.com/pd/B0792J59SY/?source_code=AUDFPWS0223189MWT-BK-ACX0-105729&ref=acx_bty_BK_ACX0_105729_rh_us
And the paperback here: https://canonpress.com/products/what-i-learned-in-narnia/