Business Builder Modules 1–3 is a photocopiable teacher's resource book for intermediate Business English courses. Written by Paul Emmerson, it provides a flexible collection of communicative classroom activities suitable for one-to-one lessons, group classes, in-company training, and supplementary Business English courses. The book is organized into three practical modules covering Social English, Telephoning, and Job Interviews, with each lesson designed to develop real-world business communication skills. It also includes a learner needs analysis, comprehensive teacher's notes, teaching tips, and ready-to-copy materials that can be used independently or combined into a complete course.