A College Companion by Jeanne Neumann provides a running outline/commentary on the Latin grammar covered in Book 1 of Lingua Latina (Familia Romana), and includes the complete text of the Ørberg ancillaries Grammatica Latina and Latin-English Vocabulary. It also replaces the student guide, Latine Disco. The book is designed especially for college students who approach Lingua Latina at an accelerated pace. The Exercitia may still be used as an additional source of exercises.
LLPSI: A College Companion