Liber Primus, first level, Puella Romana Drill Book (8 1/2″ x 11″) features lessons corresponding with the workbook lessons providing additional exercises and more in-depth explanations of the grammar concepts introduced in the workbook. Each lesson begins with the student copying in cursive all essential grammar definitions and rules. English cognates derived from the featured vocabulary words are given to help the student learn to recognize Latin roots in English words.

Short sentences with first declension nouns taken from the Latin Vulgate Bible, the Liber Usualis or the writings of the saints are presented as models for the student to copy and memorize if desired.

The Companion Audio lessons aid the student in memorizing the grammar rules and definitions and in learning the correct pronunciation of the Latin.