Entropic Spacetime Theory is a book by Jack Armel describing his theory of spacetime. In it, he divides the universe into a kinetic system and an entropic spacetime. The kinetic system is what our present physics is all about; it deals with radiation (vector bosons) and mass particles (fermions). Relativity and quantum mechanics deal almost entirely in the kinetic system. The entropic spacetime (EST) defines space; in this theory there is no vacuum - EST is space. Made up of energy and dipole charges, its values can be converted into length and time. The theory offers a new description of space, a new cosmology, and names space as the original creator of all new matter and radiation. It also sets up a discrete universe with minimum and maximum dimensions. Singularity is rejected.