The only comprehensive overview of the molecular basis and clinical features of the genetic disorder tuberous sclerosis, which affects approximately 50,000 people in the US alone. Special focus is placed on novel insights into the signal transduction pathways affected by the disease as well as genotype phenotype correlations, while existing and potential therapies are also discussed in depth. The editors are leading experts in research and treatment of the disease as well as the Vice President of the Tuberous Sclerosis Alliance, the only voluntary health organization for TSC in the US.