How about a nice journal or notebook with a thoughtful inscription? You could also consider signing her up for a creative writing class or workshop. If you want to go a step further, you could create a custom writing starter kit containing items that inspire her to write - a favorite pen, a cozy blanket, a book of writing prompts, and some comfortable clothes to wear while she's writing might all make for a great gift. If she has a favorite author, you could also consider getting her a signed copy of one of their books or a book that's related to one of her favorite topics.
Or you can get her a star map with the date when she 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.