Urgent for additional! What are the original English books suitable for reading before studying abroad?

English books suitable for reading before studying abroad are:

1. If you study in North American countries, you must read gre or GMAT and TOEFL. Gre or GMAT must remember 80% of the words in the book in order to pass the relevant exams; TOEFL requires not only memorizing words, but also mastering listening, speaking, reading and writing in order to pass the exam and study abroad.

2. If you are going to Europe, Canada and other countries, you must watch IELTS. IELTS preparation process is similar to TOEFL, and listening, speaking, reading and writing are taken care of.

IELTS is jointly managed by the Foreign Language Examination Department of Cambridge University Examinations Committee, the British Council and IDP Education Group. It is an English proficiency test for those who intend to study, work or settle in English-speaking countries. IELTS is divided into two categories: academic and training, which are aimed at students who apply for studying abroad and those who plan to work or immigrate in English-speaking countries. The exam is divided into four parts: listening, speaking, reading and writing, with a total score of 9 points.