Gruber's Essential Guide to Test TakingGary Gruber · First published 2008 · Latest edition 2019Open the Tome
Gruber's Complete Preparation for the New SAT, 10th Edition -note new 11th Edition (Gruber's Complete SAT Guide-2008, published by Sourcebooks is out now!)Gary Gruber · First published 2005Open the Tome
Essential guide to test taking for kidsGary R. Gruber, Gary Gruber · First published 1986Open the Tome
Graduate record examination aptitude testEdward C. Gruber, Gary R. Gruber · First published 1977Open the Tome
