I was just reading through The Sheila Variations (see my blog list) and there's a list of "My Obsessions." What fun! I decided immediately to post a list of my own.
There is nothing in the world so enjoyable as a thorough-going
monomania. -- Agnes Repplier
Alice in Wonderland (Lewis Carroll's, specifically)
John Tenniel's original illustrations of Alice in Wonderland
Native American Storyteller Dolls
Vane/Wimsey mysteries by Dorothy L. Sayers