Business Builder Modules 4–6 is a photocopiable teacher's resource book for intermediate Business English learners, written by Paul Emmerson. Designed for teachers in business English classrooms, it offers a flexible collection of communicative lessons and ready-to-copy activities that can be used as a standalone course or as supplementary material. The three modules focus on Discussions and Meetings, Business Correspondence, and Business Reports, helping learners develop practical communication and writing skills for real workplace situations. Each lesson includes comprehensive teacher's notes, teaching tips, and photocopiable worksheets, making it suitable for group classes, one-to-one tuition, and in-company training.