Here is a snipet from my very old Amankila trip report:

When it came time to leave, my husband had to return the book he was reading to the Amankila library. He hadn’t finished it, and knowing that he had a birthday coming up, I decided to contact the hotel to find out the title. I asked them to check their records, telling them that he was reading something war or battle related. It turns out, they did not have a sign-out record, so they emailed me digital photos of their war and battle book covers so that I could identify the book by sight! Needless to say, my husband had a happy birthday surprise.

They also made note of how my husband took his martinis and never asked again after the first night. When we had dinner at Amandari over a week later, they magically knew how to make them too.