Proof: v. 4: Proof Volume 4: Julia Julia

Paperback
It's murder, heartbreak, and Bigfoot steampunk-action in the book NPR calls the most memorable series of the year! 150 years ago, Proof was a Victorian circus star while the serial killer Springheel Jack was stalking London's back alleys. When Proof and Jack both set their sights on the same woman, she doesn't stand a chance!