This nonfiction reading unit (level U) focuses on the viking Leif Erikson's voyage to North America. Students learn how North America's resources helped make Leif Erikson's voyage successful. The unit contains teacher support pages, a reading selection with supporting illustrations, and activities to guide students in close reading of the text. Students also gain practice applying content and academic vocabulary. The unit concludes with a lesson exploring text structure (Time Order) and a text-based writing activity.