Under Their Skin

<b>From <i>New York Times </i>bestselling author Margaret Peterson Haddix comes the first book in a “crisp, intriguing, and thought-provoking” (<i>Booklist</i>, starred review) new series about twins who are on a quest to discover the secrets being kept by their new family.</b><br><br>Nick and Eryn’s mom is getting remarried, and the twelve-year-old twins are skeptical when she tells them their lives won’t change much. Well, yes, they will have to move. And they will have a new stepfather, stepbrother, and stepsister. But Mom tells them not to worry. They won’t ever have to meet their stepsiblings.<br> <br>This news puzzles Nick and Eryn, so the twins set out on a mission to find out who these kids are—and why they’re being kept hidden.