Crystal engineering: a versatile platform for pulmonary drug delivery -- Thin-film freezing: A state-of-art technique for pulmonary drug delivery -- Supercritical fluid technology-based powders and particles for pulmonary drug delivery -- Nano-in-Micro particles (NiMPs) for pulmonary drug delivery -- Application of porous particles in pulmonary drug delivery -- Application of numerical simulations (CFD) to probe powders, particles and inhalers -- Chitosan-based particulates carriers for pulmonary drug delivery -- Multifunctional cyclodextrins carriers for pulmonary drug delivery: prospects and potential -- TPGS functionalized carriers: An emerging approach for pulmonary drug delivery -- Engineering of hydrogels for pulmonary drug delivery: Opportunities and challenges -- Resourceful quantum dots for pulmonary drug delivery: Facts, Frontiers and Future -- Metal-organic frameworks: a toolbox for multifunctional pulmonary applications -- Inhalable prodrugs for pulmonary therapeutics -- Role of biologicals (RNA, DNA and siRNA) in pulmonary therapy.