Educational Testing Service (ETS), the makers of the TOEFL Test, are the publishers of this official TOEFL test study guide. Because of this, the guide is highly reliable, making it one of the most essential and best TOEFL books on the market. The guide contains authentic TOEFL questions, sample texts that were written by previous test-takers, and three previously administered practice tests with answers and explanations. Having the “real” questions gives students an accurate sense o ...