国家地理镜头，带娃探秘冬雪中的神秘之鸟
Animals That Change Color (National Geographic Kids readers, Level 2)
Catch and Kill: Lies, Spies, and a Conspiracy to Protect Predators
Halloween (National Geographic Readers)
Option B
Tupac Shakur: The Authorized Biography
The Rise of Silas Lapham: Nonsuch Classics
