Good night, firefly
          
        
                          
        
                
                    
            
 Book          
                      2015
                  
                                                        
          
                                        When the power goes off one night, Nina conquers her fear of the dark by going out and trapping one of the fireflies lighting up the sky, and she has fun playing with him until she realizes his light is growing ever dimmer and she must set him free.