GMAT Official Guide Data Insights Review 2024-2025: Includes Book + Online Question Bank + Digital Flashcards + Mobile App The GMAT(TM) Official Guide Data Insights Review provides focused practice to master the data insights section of the exam with 250+ practice questions that are not included in the main Official Guide 2024-2025. Designed by the makers of the GMAT exam, the GMAT Official Guide series is the only study guide...