#29 While on a cruise with their grandfather, the Alden children help discover who is behind the mysterious troubles of the ship--disconnected phone lines, engine trouble, a man overboard--and still have fun sightseeing, eating, and swimming #30 The Aldens start a helper service with their new friend,Beth, to raise money for the Greenfield Hospital! But Beth keeps disappearing when it's time to help. Then someone tears down their signs and lets the air out of their bike tires. Who would want to sabotage their fund-raiser? #31 The Aldens' cousins, Joe and Alice, move into a house that their neighbors say is haunted. The Boxcar Children know better than to believe such stories, but when they hear a mysterious voice singing upstairs, they begin to wonder if there really could be a ghost! #32 The lodge is having its annual winter carnival, and the Boxcar Children sign up to compete in events like skiing, skating, sledding, and building snow and ice sculptures. But no sooner has the competition begun, than the children have a mystery to solve! Box set Books are in like new condition Tight binding No page marks Please look at photos carefully and ask questions before purchase, happy to help! Ships fast Nonsmoking home