The first printing of this book has the indicia title "Serenity: Those Left Behind". The second edition has the title "Serenity: Firefly Class 03-K64 Volume 1 - Those Left Behind". The first edition also has a dustcover, while the second does not.
Notes: Joss Whedon's pre-production memo used during the filming of the motion picture, Serenity. Illustrated with conceptual artwork by Leinil Francis Yu and Joshua Middleton.