What can I say about "Life and Death"? 
 If you read "Twilight" than you know how this whole book goes. Well.. mostly ;). 
 Instead of Edward and Bella, we have Edythe and Beau (honestly Stepanie, couldn't you come up with a better name the Beaufort that starts with a 'B'?) and basically everyone you knew changed sex. 
 Twilight->Boy = Girl->Life and Death and the other way arounnd. So for every name you see written you automatically start thinking about the originals character name to compare. 
 Basically that's it. That is what you are doing through out the whole book, comparing the original to this one. 
 Other than the small changes for the names and for every she becomes a he and otherwise and a few changes in the words she used, there is also small bonus material that we didn't see in Twilight. 
 A few extra lines of conversation through out the whole book scattered here and there. Nearly not enough but still noticable. 
 And of course there is a whole plot twist in the ending that left me confused on how I feel about it. 
 All in all it was ok. It was like the title says "Twilight Reimagined" but I am still pissed about the whole "Midnight Sun" thing which she could have had puplished for the 10th anniversery rather than twilight gender-swaped, which would me and probably all the other old Twilight fans more happy than "Life and Death" did, that I didn't enjoy the book as much as I could have had. 
 This or the fact that I'm not a teenage girl anymore with my hormones flying all around for Edward Cullen. (I still love him tho, I mean once a twihard always a twihard. Right?)