Oprah Winfrey celebrates Tina Knowles' inspiring book called 'Matriarch'.

Oprah Winfrey picked a new book for her book club. The book is a story about Tina Knowles' life. Tina Knowles is Oprah's old friend.

Tina Knowles is famous for being Beyoncé's mom. But she is also a business owner and designer. She also helps people through charity work.

Oprah said Tina's book tells how she became famous. The women before her helped her. They made her want to do well and raise her daughters to be strong women.

Oprah likes to surprise people when she picks their books. Tina Knowles thought she was talking to a printing company. Then, Oprah surprised her with the news about the book club.

Tina Knowles said Oprah's pick was like a dream. She remembered being on Oprah's show before. She was scared to be on TV then, but it helped her get over her fear.