The message of the book a Wrinkle in Time is still relevant today as it deals with universal themes, such as love, acceptance, and the struggle between good and evil. The story encourages the readers embrace their individuality, and believe in themselves, which remains a valuable lesson for people of all ages. Additionally, the book addresses scientific concepts that are still relevant today such as time travel and quantum mechanics. Overall, the timeless message of a wrinkle in time resonates with the contemporary readers and continues to inspire new generations.