TY - BOOK AU - Burton, Lisa AU - Chang, David AU - Iverson, Sandra TI - Maps and codes SN - 9781869599201 U1 - 428.6 BUR PY - 1999/// CY - Auckland, N.Z PB - Shortland Publicaitons KW - Ciphers KW - Maps KW - Readers -- Ciphers KW - Readers -- Maps N1 - Reader for children.Caption title.Includes index ER -