Here is a book review on that first book. I wanted to dig deeper because the Amazon page only has a handful of reviews, including one stating the book had no index and was not proofread.
"Many factors influenced the Great Recession. Erdmann's ideas provide a valuable new perspective, but he goes a bit overboard about dismissing the standard narratives."
Btw, keep in mind that eg Australia had similarly inflated housing in the run-up to 2008, but their 'bubble' never burst. Mostly because their central bank did not engineer a slump, nor did they tighten access to credit like the Americans did.
Similar, Israel also did not partake in the Great Recession.
Kevin Erdmann's book 'Shut out' https://www.mercatus.org/research/books/shut-out has a lot more evidence piled up.
https://kevinerdmann.substack.com/p/interest-rates-arent-the... has some interesting recent observations about the topic of housing, finance and interest rates.