Hello

https://engineering.careers360.com/download/jee-main-ebooks

According to your question, it is not clear which subject book you are referring to. However, Careers360 does provide JEE Mains books for all subjects in the English medium, so you can download them from here.Just visit the link I have attached above, you can then access the E-books from there and download from there. Because practice is a must for cracking any entrance exam