Kotoba Navi, Volume 1 & 2 Set This book contains various knowledge such as proverbs, idioms, and homophones. Some writing inside. - Title: Kotoba Navi, Volume 1 - Title: Kotoba Navi, Volume 2 - Publisher: Sapix - Contents: Various knowledge such as proverbs, idioms, and homophones - Condition: Some writing inside Thank you for viewing.