I came here after listening to some stuff by Dakota Krout and greatly enjoying it.
Got the trilogy because it’s a good deal, listened to this one as well … here’s the gist –
Books 1-3: 15% adventure, 5% humor, 80% textbook
Book 4: 12% adventure, 2% humor… and the stuff you learned before? That’s all useless now, so here’s some more text.