1.Biobutanol: Scope, Significance and Applications 2.Developments in Biobutanol Industrial Production 3.Butanol Fermentation Research and Development: Feedstock, Process, and Biofuel Production 4.Novel Approaches Towards Biobutanol Production from Renewable Feedstocks 5.Biobutanol from Agricultural Residues: Technology and Economics 6.Biobutanol from Agricultural and Municipal Solid-Wastes, Techno-Economic and Life Cycle Analysis 7.Importance of Pretreatment on Fermentative Biobutanol Production 8.Biobutanol from Food Crops 9.Lignocellulosic Biobutanol Production: Challenges and Solution 10.Methods for Biobutanol Production and Purification 11.Current Status and Perspective on Algal Biomass Based Biobutanol Production 12.Insights into Metabolic Engineering Approaches for Enhanced Biobutanol Production 13.Application of Nanotechnology in Biobutanol Production