To Contact the Author
Would you like more information about these books or to receive the PDF of either of these books (or both of these books)?
If so, please contact Rodolfo, who goes by David, at his e-mail address (dleon19@atlanticbb.net) to request that he send you the PDF of his book/books, at no cost to you, or to contact him for whatever other reason. He would love to hear from you.