Ridgewood Analogies Book 2 The Ridgewood series of workbooks, developed by teachers in the Ridgewood, New Jersey Public Schools, is based on the curriculum they have been using with their elementary and middle school students for the past 10 years. — Book 2 is designed for 4th to 5th grade students and includes analogies that exemplify 5 different relationships; descriptiv... more »e, comparative, categorical, serial, and casual. Within each category are 5 levels of complexity; Novice, Apprentice, Masters, and Super Masters.« less