Free pdf books dowload links needed for USMLE step 1

A/Alaikum.....all members....''USMLErepare for the worst and hope for the best''.....to avail this we should share our views and opinions regarding best books available and also it would be more better and helpful if we help ourselves by providing free downloadable link for Pdf version of books important for step 1 preparation.....(-:
Help please if anyone can!!!!!

 

http://www.mediafire.com/?cyaiabwe3kam8

This link for : First Aid for the USMLE Step 2 CS 3ed
CS Notebook
CS Checklists - Portable Review for the USMLE Step 2 CS
CS Exam Videos
Dr.Sam CS Lectures

it is uploaded by http://www.sitamol.net/forum/showthread.php?t=37577

 

It would be better if you post the link essential for Step 1 also(Y)
Thank you very much......What do you think???

 

Does anybody have any Step 1 material they'd like to share with the rest of us?