Books in the Top Wing series

There's a pirate treasure hidden in Big Swirl Island, and Penny is determined to find it! Will Penny be able to find the treasure before the naughty pirates, Cap'n Dilly and Matilda? When things go wrong it's up to Team Top Wing to step in and save the day. Join Penny, Swift, Rod and Brody in fun-packed adventure, and learn the secret of the treasure!Let's go, Team Top Wing!