This can mean 1) the Israelites wrote a book so they would remember what they had promised and listed the names of people who feared Yahweh or 2) Yahweh caused someone in heaven to write a book with the names of people who feared him.
This expression refers to any book that helps people remember important things, such as events or people who lived in the past. (See: [[rc://en/ta/man/jit/figs-abstractnouns]])