"The Royal Diaries" is a series of historical fiction books aimed at young readers, published by Scholastic. Each book is presented as the diary of a young royal girl from different cultures and time periods, allowing readers to explore her thoughts, feelings, and experiences. The series features various historical figures, such as Elizabeth I of England and Marie Antoinette of France, providing insights into their lives and the challenges they faced. Through engaging storytelling, the books aim to educate readers about history while fostering empathy and understanding of different cultures.