Chapter 1_Introduction to Protein Therapeutics. -- Chapter 2_Clinical Applications of Protein-based Therapeutics Against Various Diseases. -- Chapter 3_Protein Engineering Methods for the Design of Protein Therapeutics -- Chapter 4_Recombinant Production of Therapeutic Proteins -- Chapter 5_Antibodies as Protein Therapeutics -- Chapter 6_Streptokinase: The Success Story of a Therapeutic Protein -- Chapter 7_Strategies for Formulation and Systemic Delivery of Therapeutic Proteins -- Chapter 8_Approved Protein Therapeutics and Their Biochemical Targets -- Chapter 9_Pharmacogenetic Biomarkers of Protein Therapeutics -- Chapter 10_Immunogenicity of Therapeutic Proteins -- Chapter 11_Efficacy and Safety Issues of Therapeutic Proteins -- Chapter 12_Emerging Trends, Challenges, and Opportunities in Protein Therapeutics -- Chapter 13_Biosimilar, Biobetter & Biosuperior Therapeutic Proteins -- Chapter 14_Therapeutic Protein-based Vaccines.