Marie, I have Jan Langman's "Medical Embryology" published by Williams and Wilkins. Gives a good overview of the development of each system and the major malformations. WOuldn't recommend this one for those with no medical background, though. FOr others "Before We Are Born" by Keith L. Moore published by William B. Saunders would probably be better. Still a high reading level, but less jargon. -- Catherine Watson Genna, IBCLC NYC [log in to unmask]