The most widely used textbooks for Spanish 1 classes are Barron's "Mastering Spanish Vocabulary," Barron's "501 Spanish Verbs," and Barron's "Spanish Grammar." These are guides to every aspect of learning the Spanish language as well as companion books for beginning courses.
The publisher Barron has a number of guides, textbooks and accompanying workbooks for any Spanish 1 course. A popular, all-inclusive textbook that only focuses on basics of the Spanish language is Barron's "Spanish Now! Level 1." This textbook focuses on oral comprehension with exercises and mock conversations to help the student understand the flow, pronunciation and construction of Spanish.