: Activities are designed to encourage personal response and develop 21st-century competencies.

Authored by — a renowned figure in ELT (English Language Teaching) — the Traveller series is designed for young adults and adults. The Pre-intermediate level (CEFR A2–B1) bridges the gap between basic phrases and real-world conversation.

: Reviewers on Amazon praise the clarity of grammar instruction, making it easy for students to use.