Today I have a little game for you guys. Did you ever play spot the differences in the Highlights magazine as a kid? This is going to be exactly like that. The ARC and the hardcover of Stalking Jack the Ripper have slightly different covers pictured below. Spot as many as you can and count them up, leaving the number in the comments below. You may use high resolution photos of the covers if you like (I realize my phone camera is terrible).
The first person who gives the right number (or is closest) will win an ARC of their choice from my ARC box. US only. I will also give an ebook prize to an international winner so feel free to participate! Leave your answer and your email in the comments below!