Looking for Puzo's english collection

Pls could somebody direct me to where i can download english version of the following books by Mario Puzo.

1. Omerta
2. Fools Die. If possible all the books by Mario Puzo.

I saw the links for russian versions but could not locate the english one.

Thanks Sclex for the guide. it was most helpful.However Should you or any other buddy come accross "Omerta" pls dont forget me.
Thanks again, Murtala