Includes glossary sections, summaries, and activities in every chapter to reinforce learning.
Guided by an aging librarian and a cryptographer named Clara Wen (his sharp-witted colleague), Peter uncovers a hidden passageway behind a false wall in the Selden End. Inside, they find a vault containing manuscripts, maps, and a chilling warning: "Knowledge left unguarded is knowledge misused." Among the artifacts is a vial of "aqua permanens"—an alchemical formula rumored to stave off decay, and a pre-Industrial Revolution blueprint for a calculating machine. the oxford history project book 1 peter moss exclusive
: Explores "cradles of civilization" like Mesopotamia (Sumer, Akkad) and the significance of river valley fertility. Measurement of Time Includes glossary sections