Mysteries I'd like to curl up with on a rainy night

Obedience by Wil Lavender. If my undergraduate course on Logic had been a little like this, I wouldn't have minded the early 8:30 classes so much.

The Invention of Hugo Cabret by Brian Selznick. Winner of the 2008 Caldecott Medal, this has been receiving plenty of hype in the US and on the net. Here's a nice feature on the author.

A deleted illustration from The Invention of Hugo Cabret