Grammar Explorer prepares students for academic success through captivating National Geographic content and assignments that mirror the requirements of academic life. Going beyond clear grammar charts and instruction, Grammar Explorer challenges students to think critically while using grammar in their listening, speaking, reading, and writing.

Strategic Reading is a three-level series designed to develop reading, vocabulary-building, and critical-thinking skills. Strategic Reading Level 1 is a reading skills book that contains twelve thematic units, each with three high interest readings. All readings come from authentic sources and have been slightly adapted to be appropriate for study by intermediate-level students. Exercise material surrounding the readings builds students' vocabulary and develops their reading and critical thinking skills.

Strategic Reading is a three-level series designed to develop reading, vocabulary-building, and critical-thinking skills. Strategic Reading Level 3 is a reading skills book that contains twelve thematic units, each with three high interest authentic readings. The readings are unsimplified and are appropriate for students at the low-advanced to advanced level. Exercise material surrounding the readings builds students' vocabulary and develops their reading and critical thinking skills.

Strategic Reading is a three-level series designed to develop reading, vocabulary-building, and critical-thinking skills. Strategic Reading Level 2 is a reading skills book that contains twelve thematic units, each with three high interest readings. All readings come from authentic sources and have been slightly adapted to be appropriate for study by high intermediate-level students. Exercise material surrounding the readings builds students' vocabulary and develops their reading and critical thinking skills.