Kids love secret codes and you"ll love how much they learn from this fun book. Reproducible activities of secret messages that require translation cover lots of important info about Oregon, including the state motto, history, important towns, people, trivia and lots more. Also includes spy and secret code trivia, stories about famous codes and recipes for invisible ink! Will kids remember facts better if they Translate them instead of simply reading them? Will kids be more responsive to activity-oriented learning? Will the invisible-ink recipe add a whole new dimension to passing notes in class? S.= (that"s YES in dingbat code, by the way.) Free teacher"s guide gives specific suggestions and instructions on how to get max educational value from this book.