What's the Difference between I Am Number Four the Book and I Am Number Four the Movie?
                      
                                
                    
                
                
                     
                
                
               
                
                     
                        
                        
                        
                        
                                    
                            
                                    
                        
                            
                            
                                
                                    | In the Book | In the Movie | 
                                
                                
                                
                                 
                                    | John Smith/Number 4 
 | John Smith/Number 4 Portrayed by: Alex Pettyfer
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                                    | Sarah Hart 
 | Sarah Hart Portrayed by: Dianna Agron
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                                    | Henri 
 | Henri Portrayed by: Timothy Olyphant
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                                    | Sam Goode 
 | Sam Goode Portrayed by: Callan McAuliffe
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                                    | Six 
 | Six Portrayed by: Teresa Palmer
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                                I Am Number Four Book vs  Movie
                                
                            
                            
                         
                        
                        
                        
                        
                    
                            
                             
                                
                                
                                
                                    | In the Book | In the Movie | 
                                
                                
                                        
                                            | During the first day of school, Sarah was taking pictures of John. | She does not take pictures. | 
                                    
                                     
                                            | The dog Bernie Kosar is wearing a dog tag with his name on it. | He isn't wearing the tag, and we just know his name is Bernie Kosar from the dialog. | 
                                   
                                        
                                            | Sam Goode wears his father's glasses. | He doesn't wear them. | 
                                    
                                     
                                            | Four people were said to be on the hay bale truck. | Sarah and John are alone on teh truck. | 
                                   
                                        
                                            | Bernie Kosar transformed into a dragon type dreature but without wings. | He transforms into a giant bulldog. |