Theme: Futuristic Fiction. Phonics Skill: Prefixes. After a comet devastates the Earth's surface, two siblings are forced to carve out a life in the subway tunnels of New York City. With the rule of law gone, is there any hope for survival? Support striving readers with these low-level, age-respectful decodable books. Phonics Decodable Readers feature words from basic phonics rules, plus specific pattern words. All books feature a glossary, and nonfiction books include technical vocabulary and definitions to help set striving readers up for success. Each book is 48 pages.