The Feed the Future Innovation Lab for Collaborative Research on Sorghum and Millet (SMIL), based at Kansas State University, and the West African Regional Center of Excellence on Improving Adaptation to Drought of the Senegalese Institute of Agricultural Research (ISRA/CERAAS) recently released the open-access book, Crop Improvement and Adaptation in Drought-Prone Environments. Published by New Prairie Press at Kansas State University, the book is an interdisciplinary effort to identify strategic constraints and opportunities to improve the sorghum, pearl millet, cowpea, groundnut, and fonio value chains in the West African Sahel region.