2. Logan Turner's Diseases Of The Nose,Throat And Ear Head & Neck Surgery
This one is also a good book but I would not recommend using this book as your main textbook as it contains much more stuff than what is required at the undergraduate level.
Here is the famous ENT book for PG entrance. As the no. of questions for ENT is going to increase to 60 in NEXT exam, It is very important to get one MCQ book.