In the secret community where, through genetic experiments, animals can talk and children carry animal genes, an unimaginable alien presence makes its appearance. Vividly described by Christie in his diary, this creature raises terrifying questions. Is it a threat to all civilized life? Can it be destroyed or contained ...? Alternating with the diary is the extraordinary story of Ness and Farral. Will their dangerous journey heal the rift that exists between their two communities? In the final exciting novel of The MIssing Link trilogy, Kate Thompson, twice winner of the Irish Children's Book of the Year, Bisto Award, raises startling and relevant questions for the twenty-first century.