Is everyone saved the same way from Genesis to Revelation? This error is explained in this second part of Dispensationalism and the King James Bible with Dr. David Walker. It starts with the importance of the blood of Jesus Christ and follows with the errors of revised dispensationalism in relation to the doctrine of salvation (soteriology). Here are some links to Dr. Walker's dispensational books: 

https://www.amazon.com/King-James-Only-Revised-Dispensationalism-ebook/dp/B0851YD1N6/ref=sr_1_2?keywords=dispensationalism+david+walker&qid=1636765215&sr=8-2  

https://www.amazon.com/Rightly-Dividing-Bible-One-Dispensationalism/dp/1973609487/ref=sr_1_1?keywords=dispensationalism+david+walker&qid=1636765188&sr=8-1