1. Introduction. 2. Vectors and Tensors. 3. Stress. 4. Principal Stresses and Principal Axes. 5. Analysis of Deformation. 6. Velocity Fields and Compatibility Conditions. 7. Constitutive Equations. 8. Isotropy. 9. Mechanical Properties of Real Fluids and Solids. 10. Derivation of Field Equations. 11. Field Equations and Boundary Conditions in Fluid Mechanics. 12. Some Simple Problems in Elasticity. 13. Stress, Strain, and Active Remodeling of Structures. Index.