Written by PETER DAVID
Pencils by VALENTINE DELANDRO
Cover by MIKE MCKONE

Witness the most important event in the lives of Jaime Madrox and Siren-the birth of their baby! What will happen to X-Factor-and what will be the meaning for mutantkind!...All we can guarantee are that the answers are not what you expect-but that's what makes it X-Factor! Don't miss what is sure to be one of the most talked-about books of 2009!