diff --git a/README.md b/README.md
index f97c7ec..dbb818b 100644
--- a/README.md
+++ b/README.md
@@ -1,29 +1,39 @@
 # awesome-rust-gamedev
-A collection about rust gamedev resources.
+A collection about rust gamedev resources. PRs welcome.
 
 ## Table of contents
 - [General](#general)
+- [Rust Programming](#rust-programming)
 - [Game Engines](#game-engines)
 - [Graphics](#graphics)
 - [Physics](#physics)
 - [Bevy Engine](#bevy-engine)
+  - [Books](#books)
   - [Tutorials](#tutorials)
   - [Ecosystem](#ecosystem)
   - [Communities](#communities)
-  - [Books](#books)
   - [Games](#games)
 
 ## General
-- [Are we game yet?](https://arewegameyet.rs/): This site tracks the state of the ecosystem for Game Development in Rust (Maintained by official Rust game development working group).
+- [Are we game yet?](https://arewegameyet.rs/): This site tracks the state of the ecosystem for Game Development in Rust.
 - [Rust GameDev WG](https://gamedev.rs/): Official Rust game development working group blog site.
 
+## Rust Programming
+- [Official Book](https://doc.rust-lang.org/book/) ![stars](https://img.shields.io/github/stars/rust-lang/book)
+- [[Chinese] Rust语言圣经](https://course.rs/about-book.html) ![stars](https://img.shields.io/github/stars/sunface/rust-course)
+- [Aysnc Book](https://rust-lang.github.io/async-book/): Asynchronous Programming in Rust. ![stars](https://img.shields.io/github/stars/rust-lang/async-book)
+- [The Nomicon](https://doc.rust-lang.org/nomicon/): The Dark Arts of Advanced and Unsafe Rust Programming. ![stars](https://img.shields.io/github/stars/rust-lang/nomicon)
+
 ## Game Engines
 - [bevy](https://bevyengine.org/): A refreshingly simple data-driven game engine built in Rust. ![stars](https://img.shields.io/github/stars/bevyengine/bevy) ![crates.io version](https://img.shields.io/crates/v/bevy.svg) ![crates.io downloads](https://img.shields.io/crates/d/bevy.svg)
 - [fyrox](https://fyrox.rs/): A feature-rich, production-ready, general purpose 2D/3D game engine written in Rust with a scene editor. ![stars](https://img.shields.io/github/stars/FyroxEngine/Fyrox) ![crates.io version](https://img.shields.io/crates/v/fyrox.svg) ![crates.io downloads](https://img.shields.io/crates/d/fyrox.svg)
+- [piston](https://www.piston.rs/): A modular game engine written in Rust. ![stars](https://img.shields.io/github/stars/PistonDevelopers/piston) ![crates.io version](https://img.shields.io/crates/v/piston.svg) ![crates.io downloads](https://img.shields.io/crates/d/piston.svg)
+- [godot-rust](https://godot-rust.github.io/): Rust bindings for Godot 3. ![stars](https://img.shields.io/github/stars/godot-rust/gdnative) ![crates.io version](https://img.shields.io/crates/v/gdnative.svg) ![crates.io downloads](https://img.shields.io/crates/d/gdnative.svg)
 
 ## Graphics
 - [wgpu](https://github.com/gfx-rs/wgpu): Safe and portable GPU abstraction in Rust, implementing WebGPU API. ![stars](https://img.shields.io/github/stars/gfx-rs/wgpu) ![crates.io version](https://img.shields.io/crates/v/wgpu.svg) ![crates.io downloads](https://img.shields.io/crates/d/wgpu.svg)
 - [learn-wgpu](https://sotrh.github.io/learn-wgpu/): Guide for using gfx-rs's wgpu library. ![stars](https://img.shields.io/github/stars/sotrh/learn-wgpu)
+- [vulkano](https://github.com/vulkano-rs/vulkano): Safe and rich Rust wrapper around the Vulkan API. ![stars](https://img.shields.io/github/stars/vulkano-rs/vulkano) ![crates.io version](https://img.shields.io/crates/v/vulkano.svg) ![crates.io downloads](https://img.shields.io/crates/d/vulkano.svg)
 
 ## Physics
 - [rapier](https://github.com/dimforge/rapier): Rapier is a set of 2D and 3D physics engines for games, animation, and robotics. ![stars](https://img.shields.io/github/stars/dimforge/rapier) ![crates.io version](https://img.shields.io/crates/v/rapier3d.svg) ![crates.io downloads](https://img.shields.io/crates/d/rapier3d.svg)
@@ -33,6 +43,7 @@ A collection about rust gamedev resources.
 - [official book](https://bevyengine.org/learn/book/introduction/)
 - [bevy-cheatbook](https://bevy-cheatbook.github.io/): This is a reference-style book for the Bevy game engine. ![stars](https://img.shields.io/github/stars/bevy-cheatbook/bevy-cheatbook)
 ### Tutorials
+- [Official examples](https://github.com/bevyengine/bevy/tree/latest/examples#examples)
 - [Creating a Snake Clone in Rust, with Bevy](https://mbuffett.com/posts/bevy-snake-tutorial/)
 - [Extreme Bevy: Making a p2p web game with rust and rollback netcode](https://johanhelsing.studio/posts/extreme-bevy)
 ### Ecosystem