It's no secret that 17-year old Jack Caspian likes his best friend, Grace Parker. Everyone knows it...even Grace herself! She chooses to ignore it, though, as to save the wonderful friendship that her and Jack have shared for so many years. But, like all things in life, it changes. Things happen...and Grace doesn't know what to do. Read "Irreplaceable" to find out how a friendship can turn to something more, or something less.