Hello student,

NCERT each and every year publishes books for different subjects like Hindi English maths Science. Many others boards including CBSE boards prescribes NCERT books for its accurate and point to point data. To get success in examination class 8 students should go through their syllabus at first and should know the weightage of each and every topics to go through main topics and to practice them in a much more efficient way. One can go to this link below to download the syllabus and the books of NCERT

https://school.careers360.com/ncert/ncert-books-for-class-8/amp

Lots of of other and official sites uploads the question papers of class 8 English online. You just can search them on Google and easily can get those. Hope this will help you