Can someone give me information on all of the Greek gods and Goddesses for my book?

[Jessica Taylor Johnson]

I need the information on the following.Please tell me as much about each as you can because my research isn't going so well.
* Zeus
* Hera
* Aphrodite
* Apollo
* Artemis
* Ares
* Athena
* Demeter
* Dionysus
* Hades
* Hephaestus
* Hermes
* Hestia
* Poseidonins.