"This is my NEW FAVORITE SERIES!" Book 11 in the award-winning Wright Cousin Adventures series! Castles, cool spy gear, hot race cars, and a kingdom to rescue! "Robert raced up the stairs, his head pounding. The rescue mission had totally backfired. Not only was the king gone, but Jonathan, Sarina, and Kimberly were gone too!” A redirected flight leads the Wright cousins back into mystery and adventure. Lives hang in the balance. Who can they trust? “Using ingenuity, superb detective skills, and some cool new high-tech spy gadgets, the Wright cousins begin piecing together the elements of the mystery to rescue the royal [Straunsee] family before it is too late… Wholesome, positive, and filled with humor, this is an enjoyable and lighthearted addition to library collections for middle grade and young adult readers.” – Riverdancer “Vine Voice” Books 10-12 are designed to be read in order. Dive into The Secret of Trifid Castle today! Gregory O. Smith is the author of the 15 book, award-winning  Wright Cousin Adventures series, the time travel adventure  The Ha t, George Washington, and Me! , the award-winning friendship and wilderness survival adventure  Strength of the Mountains,  and the exciting, page turning military adventure, Rheebakken 2--Last Stand for Freedom.