Hush, Hush

Hush, Hush is a 5-book series with 4 released primary works first released in 2009 with contributions by Maggie Stiefvater, Becca Fitzpatrick, Rachel Vincent, Karen Mahoney, Diana Peterfreund, Daniel Waters, Carrie Ryan, Justine Musk, Daniel Marks, Sarah Rees Brennan, Michelle Rowen, Michelle Zink, and Caitlin Kittredge.