"Harry Potter and the Half-Blood Prince" by J.K. Rowling is a 672-page hardcover book published by Scholastic, Incorporated in 2005. It is part of the popular Harry Potter series and is geared towards a juvenile audience. The book explores themes of fantasy, magic, and education, with a strong focus on the characters and their experiences at Hogwarts School of Witchcraft and Wizardry in Europe. The illustrations by Mary Grandpré bring the story to life, making it an engaging read for young readers.