Comment by jgn

The book's technical reviewer is David Tolnay [0] who authored some of Rust's ubiquitous crates: `anyhow`, `thiserror`, `serde`.

It's a good intermediate companion to the official Rust intro [1]. I found it most helpful when reading third-party crates.

[0] https://github.com/dtolnay

[1] https://doc.rust-lang.org/stable/book/