Analogies stretch the brain and help students bring their critical thinking skills to a higher plane. Tap into the depth of thought with Ridgewood Analogies Book 2. Activities are half in the traditional format, half in 'arrow' format. Pre-analogy work, descriptive, comparative, categorical, serial and causal analogies. In each instance, students are asked to write the relationship phrase used to complete the analogy. 51 pages, Answer Key sold separately. Softcover. Book 2. Grades 4-6.