Jeff Kolby: 11 books

The reading section of the SAT is essentially a vocabulary test.  With a few exceptions, if you know the word, you will probably be able to answer the question correctly.  Thus, it is crucial that you improve your vocabulary.  Even if you have a strong vocabulary, you will still encounter...

Develop Responsive Skills in American English:   Learn basic responsive conversational strategies to speed up the process of interaction in English in these digital times. Build up your emotional and social skills in American English.   Develop Language Management...

Comprehensive, Rigorous Prep for the GRE.   Every year, students pay $1,000 and more to test prep companies to prepare for the GRE. Now you can get the same preparation in a book. GRE Prep Course provides the equivalent of a 2-month, 50-hour course.   Although...

Comprehensive Prep for the New GRE Math.   Fully revised for the new test.   Every year, students pay $1,000 and more to test prep companies to prepare for the math section of the GRE. Now you can get the same preparation in a book.   Although...

Comprehensive Prep for ACT Math.   Every year, students pay $1,000 and more to test prep companies to prepare for the math section of the ACT. Now you can get the same preparation in a book.   Although the ACT math section is difficult, it is very learnable....

Comprehensive, Rigorous Prep for the LSAT.   The LSAT is an aptitude test.  Like all aptitude tests, it must choose a medium in which to measure intellectual ability.  The LSAT has chosen logic.  Although this makes the LSAT hard, it also makes the test predictable--it...

The verbal section of the GRE is essentially a vocabulary test.  With a few exceptions, if you know the word, you will probably be able to answer the question correctly.  Thus, it is crucial that you improve your vocabulary.  Even if you have a strong vocabulary, you will still encounter...

English offers perhaps the richest vocabulary of all languages, in part because its words are culled from so many languages. It is a shame that we do not tap this rich source more often in our daily conversation to express ourselves more clearly and precisely.   Many a vocabulary...

Comprehensive Prep for SAT Math   Every year, students pay $1,000 and more to test prep companies to prepare for the math section of the SAT. Now you can get the same preparation in a book.   Although the SAT math section is difficult, it is very learnable....

Comprehensive Prep for ACT Verbal   Every year, students pay $1,000 and more to test prep companies to prepare for the verbal sections of the ACT. Now you can get the same preparation in a book.   The verbal sections are not easy. There is no quick fix that...

Comprehensive, Rigorous Prep for the New GMAT.   Every year students pay as much as $1,000 to test prep companies to prepare for the GMAT.  Now you can get the same preparation in a book. GMAT Prep Course provides the equivalent of a 2-month, 50-hour course.  ...