Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. In the caves of Laod, in South Asia, some scientific researchers have discovered a new species of also referred to as a daddy long legs. The harvestmen are strange spiders with no eyes. Subsequently, they use their second pair of legs as antennae to explore their environment and escaping their preys. The creature possesses a leg-span of over 33 centimetres. Besides, similarly-sized species of arthropods have also been discovered in the surrounding area and have been linked with the cave systems. The mechanisms or factors which could be responsible for this frequency of gigantism may be due to problems of oxygen supply to the extremities or by the difficulty of moving speedily towards or away from other creatures. These arachnids were called as opilliones or harvestmen. According to science and research, more than 6,500 species of harvestmen have already been discovered across the world. However, scientists have highlighted that the real number of species of extant opilliones can exceed 10, 000...