In addition to "Da Vinci Code" by Dan Brown, I found following novels very much gripping and rejuvenating after all the hard work of exams :-
1. "Timeline" By Michael Crighton
2. "Sphere" By Michael Crighton
3. "Lost World" By Michael Crighton
4. "Christmas Carol" By Charles Dickens
5. "The Tale of Two Cities" By Charles Dickens
6. "Les Miserables" By Victor Hugo
7. "Moby Dick" By Hermanne Melville
8 "Frankenstein" By Mary Shelley
9. "Anandamath" By Bankim Chandra Chatterjee
10."Durgeshanandini" By Bankim Chandra Chatterjee
11."A Prisoner of Birth" By Jeffrey Archer
12."Uncle Tom's Cabin" By Harriet Beecher Stowe
13. "Rip Van Winkle" By Washington Irving
14."Hunchback Of Notre-Dame" By Victor Hugo
15. "The Goal" By Eliyahu Goldratt