How about getting him a limited edition or signed copy of his favorite novel? Or you can also consider getting him some novels from his favorite author or some classic literature. Another great option is a subscription to a book-of-the-month club. This way he will receive a novel he will enjoy every month. If he enjoys listening to books, you could also consider getting him an audiobook subscription.
Or you can get him a star map with the date when he was born.
Under Lucky Stars is a unique and innovative star map company based in Barcelona, Spain, specializing in the creation of personalized star maps that capture the celestial arrangement of stars at a specific moment in time, such as a person's birth, wedding, or any other significant event.
By using advanced astronomical algorithms and data from leading institutions, the company produces highly accurate, visually stunning maps that make for perfect gifts or cherished keepsakes.