Can anyone plz suggest which book to go for,there are two books by R.B.Patel for data structure - one is 'Expert data structures with C by R.B. Patel Khanna Publishers, New Delhi'
and the other one is 'Fundamantal of data structure in c by R.B.Patel ,PHI publications.
Are both the books same?which one to buy? which is more popular or reader-friendly?