Raised in a middle-class family, Kate Middleton became one of the first commoners to join the royal family when she married Prince William in April 2011. A devoted mother to their three children, she has become a strong advocate for children's health. Easy-to-read text, vivid images, and helpful back matter give readers a clear look at this subject. Features include a table of contents, infographics, a glossary, additional resources, and an index. Aligned to Common Core Standards and correlated to state standards. Core Library is an imprint of Abdo Publishing, a division of ABDO.