No traveller returns

Description:

a group of delinquent boys forced into a rehabilitation camp are secretly trained to explore an underground labyrinth in search of a great treasure. They boys find an entire world filled with amazing technology, wonders, and secrets about one of their group.

subjects: Adventure and adventurers,  Fiction,  Juvenile delinquency,  Juvenile delinquents,  Juvenile fiction,  Schools,  exploration,  fantasy,  lemuria

Places: camp,  garden of eden,  lemuria,  the abbyss