Recommended in Program(s): Challenge IV Cycle(s): N/A This key is intended as an aid to the busy teacher. It should serve to unlock readily and speedily whatever may be difficult or obscure in Henle Fourth Year Latin , and to allow students to check their interpretations against the author's. Paperback 171 pages © 1952 Classical Conversations resource: https://classicalconversationsbooks.com/products/4s023