-Comb through Jonathan Pageau's older stuff, you can find him on YouTube @ The Symbolic World. Similarly, Seraphim Hamilton has some excellent videos on the topic as well. - A podcast titled "Lord of Spirits" is a great place to go for anything Old Testament related. Just know that a typical episode is ~3hrs. - A few books to consider: Hymns on Paradise by St Ephraim the Syrian, Life of Moses by St Gregory of Nyssa, and Genesis, Creation, and Early Man by Fr. Seraphim Rose.