Which famous author wrote his last novel in crayon?

I have no idea. I haven't come across such information.

I have no idea. I haven't come across such an author. Maybe it's someone not very well-known.

I have no idea. Maybe it's a relatively unknown author or a very unique situation that I haven't come across before.

I don't know. It could be a very obscure author or someone who's not widely known. But I can't name anyone off the top of my head.

Honestly, I don't know. It's not a common thing, and not many authors would choose such an unconventional method. Maybe it'll be a new trend in the future.

I'm not sure. Maybe it was some indie author who wanted to be unique.

I have no idea who would do such an unconventional thing. Maybe it's some avant-garde author looking to make a bold statement, but I don't know of any specific names.

I have no idea. I haven't come across such information.

I'm not sure. There aren't many well-known authors who write novels in crayon.

I'm not sure. It could be someone who wanted to challenge the traditional way of writing and chose crayon for a bold statement.