In this adventurous and poignant story from the author of Mrs. Smith's Spy School for Girls, 12-year-old Cassie must figure out how to save a very special "kitten."

Beth McMullen is the author of the Mrs. Smith’s Spy School for Girls series; the Lola Benko, Treasure Hunter series; the Secret of the Storm series; and several adult mysteries. Her books have heroes and bad guys, action and messy situations. An avid reader, she once missed her subway stop and rode the train all the way to Brooklyn because the book she was reading was that good. She lives in northern California with her family and two cats. Visit her at BethMcMullenBooks.com.