________________ Pancastikaya-samgraha (manusya loka) comprising the two-and-a-half continents, starting from Jambudvipa and up to the mountain range of Manusottara in the centre of Puskaradvipa. Working on this Scripture 'Pancastikaya-samgraha' has refined my understanding of the nature of the Reality (vastu svabhava), the basis of the sublime Jaina Doctrine. The unique concept of the 'Three Jewels' (ratnatraya)- empirical (uyavahara) as well as transcendental (niscaya) - of the Doctrine is derived from the nature of the Reality (vastu svabhava). With a sense of fulfillment, I present this treatise in the hands of the potential (bhavya) readers aspiring to tread the holy path to liberation. - Vijay K. Jain February, 2020 Dehradun, India . .. . .. . . . . . . .. LII