text: Yaar, mujhe toh samajh nahi aa raha, kaunse books parhna chahiye, tumhare paas koi suggestions hain kya jo tumhe useful lagi ho?Haan, mujhe 'XYZ Guide' bahut acchi lagi thi, uske practice questions se mujhe bahut help mili thi, tumhe zaroor dekhni chahiye!