Harmony House is more than a 'special place for special people.' It's a think tank where high-functioning autistic savants harness their unique abilities for the benefit of society. Resident Eddie Parks's contribution is nothing less than extraordinary: an 'echo box' that can re-create never-recorded sounds using acoustic archeology. To Harmony House's shadowy government backers and radical extremists, the echo box is the ultimate intelligence asset-an end to the very concept of secrecy.

Compact discs.