Check out this website to learn about Adonis' Phoenician roots.
This is a great website for all things mythical. We're linking to Aphrodite's (Venus) page, where you can learn more about the goddess of love and Adonis.
Here's a link to the full text of Shakespeare's take on the tale.
Let us not forget Ovid's famous version, found in Book 10 of The Metamorphoses.
Check out this history of the Shakespeare's Venus and Adonis.
Listen to a bit of one of the operatic versions of the myth.