Part 1-SKELETAL DYSPLASIAS -- INTRODUCATION -- SKELETAL DYSPLASIA GENETICS -- CLASSIFCIATION -- CHONDROPLASIA WITH PREDOMINANTLY EPIPHYSEAL INVOLVEMENT -- CHONDROPLASIA WITH PREDOMINANTLY METAPHYSEAL INVOLVEMENT -- CHONDROPLASIA WITH PREDOMINANTLY INVOLVING THE SPINE -- CHONDROPLASIA INVOLVING SPECIFICANATOMICAL SITES -- CHONDROPLASIA INVOLVING TUMOUR LIKE FORMATION OF CARTILAGE -- DISORDERS OF SKELETAL DEVELOPMENT WITH ABNORMAL -- CONNECTIVE TISSUE FORMATION -- DISORDERS OF SKELETAL DEVELOPMENT DUE TOLYSOSOMAL -- STORAGE DISEASE -- DISORDERS OFSKELETAL DEVELOPMENT ASSOCIATED WITH OSTEOSCLEROSIS -- DEVELOPMENTAL CONDITIONS ASSOCIATION WITH HETEROPIC -- BONE FORMATION -- OTHER DEVELOPMENTAL ABNORMALITIES -- Part 2-CONGENITAL MALFORMATIONS -- General Considerations -- Cong. Disorders of the Neck & Chest -- Cong. Disorders of the Spine -- Cong. Skeletal Limb Malformations -- Cong.Upper Extremity Malformations -- Cong. Lower Extremity Malformations -- Gigantism, Acromegaly & Dwarfism -- Hemihypertrophy & Hemihypotrophy.