Is this Ron Paul's signature?

I doubt it. It looks to me that all of the writing on the back was by the same person. I have several Ron Paul autographs. They're all slightly different. However, I look at common points of the letters, shapes and similarities of loops and connecting of parts of the same letters, as well as distinct shapes of prominent letters- usually the first letter of each name (same with other celebrities, like Mickey Mantle's M's looked like sailboats). I believe all the writing on the back of the item in the FLICKR image were written by the same person, at the same time.

I was more impressed with the "VOTE RON PAUL" on the hand with the thumbs-up while shaking Obama's hand! THAT is priceless!

a girl signed it.

as in.....a female under the age of at least 16.

but who am i?

i'm kidding......i'll check it against my own signed stuff.

Dr. Paul signed in 2008. They were both signed at the same event, yet there is a noticeable difference between the two signatures.

Comparing them to the signature in question, I would say that someone else signed his name in your book. However, I can't be sure.

I have a letter from Ron signed to me.. they are no where near the same.

I've seen with his signature on it, I would have to say no, that is not his signature.

maybe