How should we prepare in thermodynamics?

Every body in engineering THERMODYNAMICS very difficult but if you practice a little it is very easy and scoring subject.
First of all you should be clear with the basic fundas and formulas of it .
Try to attend every lectures of Thermodynamics.
Pay attention in the lab sessions.
Practice this subject on the daily basis ....
Dont just read to pass the exam ...read and understand the subject and believe me if you will read the subject with full concentration and understanding you will start loving this subject...
Refer different books available books on this subject in library
Some of the best authors are:
P k. Nag
M Achyutan.
S Chand publication house