Having read Order 66, I feel that I must strongly recommend against it. I can't speak for the others [in the series], but I've heard quite a bit of criticism for True Colors, as well.
"There is something going on in time and space, and beyond time and space, which, whether we like it or not, spells duty." -Winston Churchill
"For of all sad words of tongue or pen, The saddest are these: 'It might have been!'" -John Whittier
"Apathy is death." -Kreia