How the Hedgehog Outfoxed the Crab -- The Patched Receptor -- Making a Morphogenetic Gradient -- Spatial and Temporal Regulation of Hair Follicle Progenitors by Hedgehog Signaling -- Mode of PTCH1/Ptch1-Associated Tumor Formation -- Basal Cell Carcinomas, Hedgehog Signaling, and the Ptch1+/- Mouse -- GLI Genes and Their Targets in Epidermal Development and Disease -- Splitting Hairs -- Shh Expression in Pulmonary Injury and Disease -- Human Correlates of GLI3 Function -- From Oligodactyly to Polydactyly -- The Genetics of Indian Hedgehog -- Sonic Hedgehog Signaling in Craniofacial Development -- Important Role of Shh Controlling Gli3 Functions during the Dorsal-Ventral Patterning of the Telencephalon -- Regulation of Early Events in Cell Cycle Progression by Hedgehog Signaling in CNS Development and Tumorigenesis -- Modulating the Hedgehog Pathway in Diseases -- Hedgehog Signaling in Endodermally Derived Tumors.