This is definitely the book to use if your student loves words—or if you want him to! The Book of Roots will surely impart how pervasive Latin is in the English language—and provide yet another reason to study Latin.
Fascinating on its merits as a vocabulary roots course, this book also has significant practical appeal. It is an ideal standardized test prep course, training students to uncover the meanings of words by deciphering parts. The Book of Roots is a Latin roots course, vocabulary-building course, Latin dictionary, and etymology reference book all in one! It is enthusiastically recommended for all Latin students!
Latin – English Dictionaries Online