Learn to build a blog application using React.js and Redux Toolkit in this comprehensive tutorial. Explore CRUD (Create, Read, Update, Delete) operations through practical examples. Begin with an overview of the starter code and dive into implementing key components like SinglePostPage and PostsExcerpt. Install and apply React Router for seamless navigation. Develop essential features including a blog header, edit post functionality, and an EditPostForm component. Master async thunks for updatePost and deletePost operations, and learn to dispatch these actions effectively. Test your implementation thoroughly, covering all CRUD operations. Fine-tune the application by fixing API-related issues and verifying reaction names. Conclude by implementing data loading from an API at app initialization.