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![The Rules of Contagion](https://www.hachettebookgroup.com/wp-content/uploads/2021/09/9781541674325-1.jpg?w=190)
The Rules of Contagion
![The Perfect Bet](https://www.hachettebookgroup.com/wp-content/uploads/2017/06/9781541697232.jpg?w=190)
The Perfect Bet