Are there clouds in the sky today? What kind are they? Do you know how to tell the weather by looking at them? Learn all about cirrus clouds. Find out what they look like and how they form high in the sky. Features include audio, comprehension questions, educational front/back matter, full-color photographs, glossary of key words, index, informative sidebars, note to parents and educators, and table of contents. Downloadable Teacher Notes available.