I think I like how Kaelyn wrote her journal. It was written in a simple way, and it was not for herself, but for her friend she lost a few years back.
Kaelyn was a great character, and maybe at first you thought she was annoying, you came to understand her from the inside out, and realize how amazing she is. She wrote in her journal how she was not smart or pretty, but just an average person, and she kept comparing herself to other people, like Shauna. By the end of the book though, I thought she was all those things, as it did not matter anymore, as all those people who were, are dead and gone. She is a strong character, that does not rely on anyone to do all the work. She took it upon herself to organize the reports, and compare results.
I like how the author did not make the virus as anything that dramatic in the cause of what happened to the victims. It was a simple cold that ended up so powerful that it killed the person who had it. There was no pus, or blood, but it was similar to your average cold.
I also love how the author, as far as the reader knows, was that the epidemic was limited to the island. It did not destroy the world as we know it, but was only upon the island, cutting off the inhabitants from the rest of the world.
I reckon this book was pretty good, in the sense that it was not over dramatic, with the whole of mankind dying, and the survivors fighting it out. I reckon this book is worth a try for those who love dystopian literature.