content: import React, { Component } from 'react';
  import { connect } from 'react-redux';
  import { selectBook } from '../actions/index';
  import { bindActionCreators } from 'redux';
  
  class BookList extends Component{
  
      renderList() {
          return this.props.books.map((book) => {
              return (
                  <li
                      key={book.title}
                      onClick={() => this.props.selectBook(book)}
                      className="list-group-item"
                  >
                      {book.title}
                  </li>
              );
          });
      }
  
      render(){
          return(
              <ul className="list-group col-sm-4">
                  {this.renderList()}
              </ul>
          )
      }
  }
  
  function mapStateToProps(state) {
      //Whatever is returned will show up as props
      //inside of BookList
      return{
          books: state.books
      };
  }
  
  
  //Anything returned from this function will end up as pops
  //on the BookList container
  function mapDispatchToProps(dispatch){
      //Whenever selectBook is called, the result should be passed
      //to all of our reducers
      return bindActionCreators({ selectBook: selectBook}, dispatch)
  }
  
  //Promote BookList from a component to a container - it needs to know
  //about this new dispatch method, selectBook. Make it available
  //as a prop
  export default connect(mapStateToProps, mapDispatchToProps)(BookList);