The Cambridge Latin Course is a well-established introductory program in four Units, originally developed by the Cambridge Classic Project. Under the sponsorship of the North American Cambridge Classic Project, Unit 4 has now been fully revised and adapted for use in the Unites States and Canada.Keep the excitement of learning going. . . . Unit 3 and Unit 4 of the Third Edition of the Cambridge Latin Course continue the stimulating, historically accurate story line of Units 1 and 2. They are wholly compatible with the new Fourth Edition Units 1 and 2 and include: full color illustrations of Roman ruins and artifacts that bring the ancient world to life Word Search study sections that help prepare students for standardized language tests Teacher's Manuals, Workbooks, Cassettes, Tests and Examinations