The Jewel Fish of Karnak
by Graeme Base

Two thieves, caught stealing from an Egyptian market, are brought before the Cat Pharaoh, who agrees to pardon them if they bring back a treasure that was stolen from her, without taking anything else and without getting the precious Jewel Fish wet.
Robbers and outlawsKings, queens, rulersMagicFictionHistoryKings and rulersJuvenile fictionChildren's fictionRobbers and outlaws, fictionKings, queens, rulers, etc., fictionMagic, fictionEgypt, history, fiction