What are examples of the theme for lost hero?

* Friendship: The seven demigods who make up the main cast of The Lost Hero are all very different, but they learn to trust and rely on each other as they face the challenges of their quest.

* Loyalty: The seven demigods are all loyal to Camp Half-Blood, even though they have all been through difficult times there. They are willing to risk their lives to protect the camp and its inhabitants.

* Courage: The seven demigods face many dangers on their quest, but they never give up. They show great courage in the face of adversity.

* Hope: Even when things seem darkest, the seven demigods never lose hope. They believe that they will be able to find Percy Jackson and save the world.

* Family: The seven demigods come from different families, but they find a sense of family with each other. They learn that they can rely on each other for support and love.