Lucent's General Knowledge - Tenth Edition - Patna: Lucent Publications, 2019. - 410p.: The present edition has been thoroughly revised and updated.The book is useful for UPSC Civil Services, Combined Defence Services,National Defence Academy, RRB, IFS, IES etc. entrance tests. ISBN: 978-93-84761-54-7 Subjects--Topical Terms: General Knowledge Dewey Class. No.: 001