Vallabhdas Jerambhai Dobariya (born on October 23, 1949) from Rajkot, Gujarat has made the thickest book title `KAVYODAHI MAHAGRANTH` consisting of 12,345 self-written Gujarati Poems, composed by him in 38 years. The book weighs 42.750 Kg and having 5,915 pages in total, as on October 18, 2016.