Gastrulation: From Embryonic Pattern to Form Volume 136 in the Current Topics in Developmental Biology series highlights new advances in the field, with this new volume presenting interesting chapters on D. melanogaster, Zebrafish, Chick, Mouse and Human, C. elegans, D. melanogaster Internalization, Sea urchin, Ascidians, Xenopus Internalization, Xenopus Convergent Extension, Zebrafish Epiboly, Zebrafish Internalization, Zebrafish Convergence and Extension, Chick Primitive streak formation and mesendoderm internalization, Octavian Voiculescu, Mouse Primitive streak formation and internalization, Mouse Definitive endoderm morphogenesis, Conservation of movements, and more.