I received this for Christmas and was pretty excited to read it! Lots of information which brought all the seasons together for me. I hadn't re-watched the earlier seasons since watching the end of the series last year so it was good to get everything together. However there were some serious editing issues. Places were lines were repeated almost like they reworded the sentence and forgot to take out the edited line. I can understand if it happened once maybe twice, but the editors and authors must have rushed this out. Saying that I would say Lost fans would not be disappointed with this encyclopedia.
Note: amazon reviewers were saying some of the info was wrong....I'm a Lost fan, but I wouldn't call myself a Lostie so I didn't notice anything that was flat out wrong.