text: import React, { Component } from 'react';
  import { connect } from 'react-redux';
  
  class BookDetail extends Component {
  	render(){
  		if (!this.props.book) {
  			return <div>Select a book to get started.</div>
  		}
  		return (
  			<div>
  				<h3>Details for:</h3>
  				<div>{this.props.book.title}</div>
  				<div>Pages: {this.props.book.pages}</div>
  			</div>
  		);
  	}
  }
  
  function mapStateToProps(state) {
  	return {
  		book: state.activeBook
  	};
  }
  
  
  export default connect(mapStateToProps)(BookDetail);