The Son of Neptune

In
The Son of Neptune
, the second book in Rick Riordan's
Heroes of Olympus
series, Percy Jackson awakens with amnesia at Camp Jupiter, the Roman demigod training camp. He quickly befriends Hazel Levesque and Frank Zhang, and together they are tasked with a perilous quest: to free Thanatos, the god of death, from the giant Alcyoneus in the icy wilderness of Alaska, all while the earth goddess Gaia's larger threat looms over both demigod camps.
Why You Should Read?
Introduces Roman mythology alongside Greek, expanding the mythological universe and character dynamics.
Explores themes of identity, memory, and forging new alliances in a high-stakes adventure.
Showcases Percy Jackson's resilience and adaptability as he navigates a new world and unknown past.
Deepens the overarching series plot with an action-packed quest and compelling character development.