A great book about SEO from Jason McDonald. However, there are many “Jump Codes” you need to know to get the resources talked about in his book.
Here is the main one used to get the companion workbooks. You will need to buy his book to get the password: https://www.jm-seo.org/workbooks/register-seo-workbook-2021/
Here is one for the dashboard and almanac: https://www.jm-seo.org/dashboard/seo/