query abt arun sharma

hey…i found lot of mistakes in verbal ability by arun sharma…isn’t there any better book for it…?also i found arihant by s.k verma for quant btr than arun shrma…it is really btr or shud i follow arun shrma only?for DI i have completed…

hey...i found lot of mistakes in verbal ability by arun sharma...isn't there any better book for it...?

also i found arihant by s.k verma for quant btr than arun shrma....it is really btr or shud i follow arun shrma only?
for DI i have completed time material...n i din't find it sufficient.