I think you really need an "Intermediate" section. For example, "Rust for Rustaceans" was written explicitly for folks who had finished "The Rust Book" but long

I think you really need an "Intermediate" section. For example, "Rust for Rustaceans" was written explicitly for folks who had finished "The Rust Book" but long before "The Rustinomicon". I would put "Zero to Production in Rust" in this category as well.