Do you know someone on your gift list that loves sea creatures; like seahorses, nudibranchs or brightly colored coral? The Zazzle website has Ernst Haeckel's "Art Forms in Nature" available on a whole range of products. Also good gift choices for the artist on your list.
Artists and academics are discovering Ernst Haeckel. I was first impressed by his sea creatures as art. Apparently, as I have read, he spend hours looking in a microscope in the mid 19th century.Microscopic observation and oceanic creatures was a new field of study.