Basic Concepts and Simplest Properties of Convex Polyhedra -- Methods and Results -- Uniqueness of Polyhedra with Prescribed Development -- Existence of Polyhedra with Prescribed Development -- Gluing and Flexing Polyhedra with Boundary -- Congruence Conditions for Polyhedra with Parallel Faces -- Existence Theorems for Polyhedra with Prescribed Face Directions -- Relationship Between the Congr…