Summary
The book does not contradict with the latest cholesterol and heart-disease guidelines in mho:
Johns Hopkins: https://www.hopkinsmedicine.org/news/newsroom/news-releases/2018-cholesterol-guidelines-for-heart-health-announced
Harvard: https://www.health.harvard.edu/topics/cholesterol
NHS (British National Health Service): https://www.nhs.uk/news/heart-and-lungs/study-says-theres-no-link-between-cholesterol-and-heart-disease/