RT Journal T1 LE fragilité osseuse congénitale. JF American Journal of Diseases of Children JO American Journal of Diseases of Children YR 1939 FD October 1 VO 58 IS 4 SP 923 OP 923 DO 10.1001/archpedi.1939.04380010233022 UL http://dx.doi.org/10.1001/archpedi.1939.04380010233022 AB This excellently written monograph fully discusses congenital fragility of the bones under the headings history, etiology, clinical studies, forms, experimental work, diagnosis, evolution and treatment. The plates are well chosen, and there is a full bibliography. The book is one of the most complete reviews of this unusual condition that I have seen; it should be read by every one interested in the subject.