What is a Praefurnium?

Is there a complete collection of Greek God stories in one book? How is Zeus Poseidon and Hades related? Who opened the gates of troy to the invaders in the Trojan war? What are Helen of Troy's personality traits? What is the cause of doom odyssey and his men face on the island of cicones? What was zues problem? Where did the surname Mestas originate? What was Daley Thompsons mother and father called? Who invented the Olmec calendar? What were athena's goals in life? Who is the fresh water and fountain nymphs? What is the roman god of air? Who was the goddess Diana the mother of? How did the egyptians mummify their dead? Why did the suitors deal with Telemachus as they did? When was the first century? Why did kings such as the lion-hearted participate in the crusades? Did Aphrodite and Hades fight? A sentence with the word immemorial? Were Cleopatra's servants buried with her?