the art of charm podcast In many elements of the globe the winters are too cool as well as the summers are extremely hot. In such climates of the question air conditioning equipment can be used for cooling in the summers and then for heating inside winter. The window ac used since the heater inside the winters is termed as the heat pump. Instead of the heat pump it's possible to likewise use the standard electric heater for heating the area, but the electric use of the electric heater is much more as opposed to heat pump for the similar volume of heat produced inside the space. J.K Rowling's fantasy adventure series 'Harry Potter' has attracted readers worldwide as well as gained immense popularity, critical acclaim and commercial success since its first novel was launched on 30 June 1997. This article will introduce you five biggest selling books that could be the next 'Harry Potter'.