John, his brother Roger, and his sisters Susan and Titty, spend the summer at Holly Howe farm exploring the lake on the sailboat Swallow

Six intrepid brothers and sisters crew out on the high seas where they brave every imaginable danger.

Dorothy and Dick have an adventure in the English countryside, involving frantic chases, calamitous boat collisions, and the attempts of their friends to protect nesting birds from rude holiday boaters.

Four siblings go on an accidental adventure when they're swept across the sea-all the way to Holland-in this entry from the classic children's series. The Swallows only meant to sail within an estuary on a borrowed boat. They didn't mean to get stranded in the fog, lose their anchor in a storm, and be driven out into the North Sea. John is nearly swept overboard, their ship almost capsizes-and Susan really regrets not doing as their mother asked....

As the classic series continues, an unexpected visitor forces a group of children to go to great lengths to enjoy a summer of fun and adventure. The Amazons' mother (doubtless suffering from exhaustion) has gone off sailing in the North Sea with Captain Flint on a rest cure, but she has allowed her two daughters to stay on the lakeshore with their trusty cook. She's also permitted their two old friends, Dick and Dorothea Callum, to come up for a...