a reproducing method for reproducing an image from a recording medium on which are recorded a plurality of basic frame image data representing a whole image , and a plurality of collateral image data representing a partial image of the whole image . the reproducing method includes the steps of discriminating a plurality of recording locations at which a plurality of basic frame image data are recorded on the recording medium , storing into a memory , the plurality of recording locations of the plurality of basic frame image data discriminated in the discriminating step , without storing a plurality of recording locations of the plurality of collateral image data , and reading a basic frame image data recorded on the recording medium in accordance with the plurality of recording locations of the plurality of basic frame image data stored in the memory to reproduce an image from the read basic frame image data .