Twelve Olympians High:The Book of Poseidon

Sara Pearl, Daughter of Poseidon and Atlantis, takes a journey to map dangerous territory. This is done after adventurers Theseus King, Mary Riley, Seth Riley, Olivia Neptune, Adam Flores, and Penny White return from this territory.
This story follows Sara Pearl and her best friends Leonidas Sheppard and Andromeda Rose. Unknown to these adventurers, war breaks out in the outside world and The Gods draw battlelines. How long until the war reaches this group?

Part of The Twelve Olympians High Series.