Complex sentence: Now your book, Good in Bed, is moved to the top of the "Chick Lit" relay-waiting for the next person to claim it, and you've got a copy of Bridget Jones' Diary coming to you in the mail.
Split into simpler sentences: Now your book, "Good in Bed", is moved to the top of the "Chick Lit" relay-waiting for the next person to claim it. You've got a copy of "Bridget Jones' Diary" coming to you in the mail.