Morphemes are key to the expansion and development of expressive language. With the Test of Morpheme Usage, the busy clinician has a quick, interesting and flexible method of investigating the acquisition of English morphemes. It is designed following developmental norms. It identifies specific areas for possible remediation. It contains 21 colour photograph cards used as stimuli. It is suitable for all ages from young child to adult. It is easy and quick to administer. It provides clear and simple scoring and analysis. The Test of Morpheme Usage is ideal for speech language therapists, teachers, educational psychologists or health visitors wishing to monitor language development. About the AuthorNeil Stevens is a qualified speech language therapist who specialises in paediatric care. He works in West Yorkshire and has a large and diverse caseload in busy community clinics and local schools.