The G File by Håkan Nesser (Sweden). Oh, happy day!
It's book #10 of Nesser's Inspector Van Veeteren series - a really wonderful series of police procedurals. Van Veeteren is one of my favorite fictional detectives, intelligent and compassionate, one of those fictional characters that you would love to know in real life.
I've read the entire series up to this one, and have been waiting months and months for it to make it into the library system. The copy I received is totally brand new - I'm obviously the first person to get my hands on it since it clearly has never been cracked. Kinda cool.
What makes this book particularly exciting to me is that this story will finally reveal what has been a sort of background uber-mystery that has been woven through the series up to now. "The G File" has been a persistent reference throughout an Veeteren's career - the one crime he was never able to solve. Until now...
I highly recommend this series to any fans of crime fiction, police procedurals, and Scandinavian Noir. I'll probably say more about this latest entry once I've gotten going on it.
For now - happy, happy, joy, joy!