The four Cole boys’ adventures on their island home have become a welcome escape, and one of the only things in life the boys can truly rely on. Jessie, the youngest and a dreamer, becomes enamored with US plans for manned space flight and its race to the moon, stirring his own dreams of one day becoming an astronaut. Jessie has deep thoughts but doesn’t think he does. He is perceptive and sensitive, and escapes by dreaming of the astronaut Gus who helps him to process things
There is a beautiful theme of brotherly love. The brothers are a close unit despite their age range and personalities.