Physical Description:32 pages : color illustrations ; 27 cm.print
Publisher:St. Catharines, ON : Crabtree, 2013.
General Note: Includes index.
Formatted Contents Note: Writing in codes -- Secret brothers -- Chapel of signs -- Mystery lines -- Codes of the pharaohs -- Stonehenge -- Passage for the sun -- Silent sentinels -- Signals in the corn -- Canyon of secrets -- Banknote of symbols -- Message to the future.