Once your student completes Lesson 15, he will be ready to read his first Latin book: Puer et Monstrum, the story of a boy who discovers a monsters hiding in his room. Your purchase of Aeneas Year 1 includes a hard-copy of the book, as well as a 12-month license to the associated Digital Vocabulary Builder, an online platform that introduces your student to all the vocabulary he will need to read Puer et Monstrum with ease and enjoyment. Note: In Aeneas Year 2, students receive two new books: Mustelae Piratae and Marcus Mirandus, as well as their associated Digital Vocabulary Builders.