Info before you read book

With the new age appearing, the gods must prepare for their fade or live in the void with Chaos, but disaster strucks when Tartarus tries to escape his domain and destroy Olympus once and for all as revenge for killing Gaea. How will Percy Jackson get out of this one? However once Tartarus leaves his domain monsters can no longer return and it will be destroyed, Earth, the world will become nothing and in it's place the new Tartarus shall take place. Will the Gods except that mankind is moving on and creating the new age? Will they accept the aid given from these Gods and in the end accepting them? Or will they tare down the world in search of them? Despite the facet that it could be their own children? Mortal families are messy immortal families are worse!