by Roderick Gordon, Brian Williams (2010)
As fourteen-year-old archaeologist Will and his friends plummet down a subterranean pore, they face deadly creatures and discover a strange fungal shelf, which not only reveals artifacts from ancient civilizations, but clues to a lost land at the end of the Earth.
Lloyd Alexander
In 1873 seventeen-year-old Vesper Holly and her guardians travel to an obscure European grand duchy, where their archenemy Dr. Helvitius is pursuing a lost art treasure and engineering the country's annexation by a neighboring kingdom.