https://next.plnkr.co/plunk/w1LkTfT816o18WFr
1 - Create a base react app, with latest redux and react-redux libraries installed.
2 - Create two reducers, one for list of books, and the other for the selected book.
3 - Combine the two reducers via combineReducers method.
4 - Create store inside index.js using return from combineReducers, and inject it inside react components via Provider component.
5 - Create book list component, with dummy book list array to display.
6 - Create book list item component.
7 - Create book detail component, with dummy selected book to display.
8 - Create app component that contains all the created components, use it inside index.js .
9 - Replace the dummy book list array by the one coming from Redux state by connecting the component to Redux.
10 - Replace the dummy selected book by the one coming from Redux state by connecting the component to Redux.
11 - Create an action creator to return action responsible for selecting book.
12 - As book list component is already connected to Redux, Add this action, to be able to trigger it.
13 - Update selected book reducer to check for that action type, and updated selected book based on sent data.