Both books make fine supplements to high school or college texts. The new French Grammar--a smaller edition of Master the Basics--doesn't include the "Test Yourself" and "Diagnostic Analysis" sections of Master the Basics. Either volume can be used by language beginners, or as review by advanced students.
"synopsis" may belong to another edition of this title.
Synopsis:
Features basic language review topics, including grammar, pronunciation, parts of speech, and idioms.
From the Inside Flap:
(back cover)
For students of Spanish 1, 2, and 3 in high school and college, and for self-instruction
A comprehensive summary of . . .
Spanish Grammar · Pronunciation · Parts of Speech · Idioms · Vocabulary · Synonyms and Antonyms · Phrases for Telling Time, Days, and Months
Plus . . .
Practice exercises with answers in reading comprehension and writing proficiency A diagnostic test with answers to open each chapter A chapter-closing test to help you measure your learning progress
New in this edition . . .
The revised system of Spanish alphabetizing Frequently used words and phrases in technical and computer communication More exercises, puzzles, and word games than ever
"About this title" may belong to another edition of this title.