In the book they 're children in the ' 50s .
The incarnations of the monsters are mainly from movies , so it 's Wolf Man , the Mummy , Frankenstein , ( and ) Dracula .
In the book they 're children in the ' 50s , so the incarnations of the monsters are mainly from movies , so it 's Wolf Man , the Mummy , Frankenstein , ( and ) Dracula .