Matthew's parents are worried. At eleven, he's much too old to havean imaginary friend, yet they find him talking to and arguing witha presence that even he admits is not physically there. Thispresence - Chocky - causes Matthew to ask difficult questions andsay startling things: he speaks of complex mathematics and mockshuman progress. Then, when Matthew does something incredible, itseems there is more than the imaginary about Chocky. Which is whenothers become interested and ask questions of their own: who isChocky? And what could it want with a eleven-year-old boy? A storyof innocence and alien contact, Chocky is a sinister tale ofmanipulation and experimentation from afar.