Set Sail "Set Sail!" is a course specially designed for teaching English at primary levels. Young learners will be captivated by the adventures of Lulu, Larry and their pet chimp, Chuckles. "Set Sail! 4" comprises 5 modules of two units each. Each module develops a theme in an appealing and fascinating way. "Set Sail! 4" follows the principles of the Common European Framework, Level A1.