Nancy Ohlin is the author of the Blast Back! series, the YA novels Always, Forever, and Beauty, and the early chapter book series Greetings from Somewhere under the pseudonym Harper Paris. She lives in Ithaca, New York, with her husband, their two kids, four cats, and assorted animals who happen to show up at their door. Visit her online at nancyohlin.com. Roger Sim� is an illustrator based in a town near Barcelona, where he lives with his wife, son, and daughter. He has become the person that he would have envied when he was a child: someone who makes a living by drawing and explaining fantastic stories. Among his many projects, he is most proud of the first book he wrote and illustrated about his first child.