[This contest has unfortunately ended. Thanks to everyone who entered!] [ACT QUICK! This opportunity expires today. There are over 200 entrants so far!] You can win a free signed copy of my book, 100 Jolts, by entering a request at the "member giveaway" raffle at LibraryThing.com. You'll need to sign up for LibraryThing if you're not already on the bookshelf sharing site...luckily, they offer free limited membership (and a cheap pricetag for unlimited membership). I'm a LTAuthor -- come check it out! (I'm also an author on GoodReads.com if you prefer that site...but I don't, so no freebies for you!) You'll need to…