physics wallah crash course and some module from pace institute all books are new not even a marks cos I received two crash course books from physics wallah....edition of book is 2021-2022 everything is in there also I have HCV book if anybody is interested pls let me know I have not posted this book bcos there is no more space to post that's why also there is errorless chemistry book edition year is 2013 but it is very useful each type of is there everything is in there I cracked neet from all this books now I am mbbs 2nd year student in GM college