This document contains reports on: (1) Energy of explosives, (2) Thermal decomposition of explosives, (3) Measurement of detonation properties, (4) Elementary theory of the plane detonation wave, (5) Application of theory to condensed explosives, (6) Structure of the plane detonation wave: finite reaction zone, (7) Detonation waves of cylindrical and spherical symmetry, (8) Thermal explosion, (9) Initiation of detonation by shock waves, (10) Initiation and growth of detonation from impact, friction, and thermal sources, (11) Shock waves from explosive charges, and (12) Computer programs for explosive calculations.