Quantum Tutoring · Digital Bookshop
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Study guides and complete solution companions for SAT, PSAT/NMSQT, and GRE preparation. Download digital PDFs through your Quantum Tutoring account.
Study guides and manuals

Digital PDF · SAT & GRE Vocabulary
Almost the Same
Build SAT and GRE vocabulary by comparing closely related words, finding context clues, and explaining each choice.

Digital PDF · SAT & GRE Verbal Reasoning
Read Between the Lines
Prepare for SAT and GRE verbal reasoning with diagnostic practice and explanations organized around evidence and logic.

Digital PDF · A Diagnostic Manual
Digital SAT Mathematics
Study Digital SAT mathematics through worked examples, diagnostic practice, and explanations of common misconceptions.

Digital PDF · A Concept-First Preparation Guide
GRE Mathematics Subject Test
Connect the major GRE Mathematics domains through concepts, worked examples, and diagnostic practice.

Digital PDF · The Diagnostic PSAT / NMSQT
Every Wrong Answer Has a Name
Identify the reasoning behind missed PSAT/NMSQT questions and use each error to choose a focused next step.
Solutions and answer companions

Digital PDF · Algebra, Data, Geometry & Grid-Ins
Every Step Shown: SAT Mathematics Volume I
Work through complete SAT mathematics solutions for algebra, data, geometry, and grid-in questions.

Digital PDF · Advanced Math
Digital SAT Mathematics: Complete Worked Solutions — Volume II
Work through complete Advanced Math solutions, including functions, nonlinear systems, polynomials, and radicals.

Digital PDF · Complete Worked Solutions
Every Step Shown: GRE Mathematics
Follow complete worked solutions to GRE Mathematics practice problems, with verification and common pitfalls.
Digital PDF · Complete Answer Key & Explanations
Almost the Same: Answer Companion
Explore explanations for the existing 525-item vocabulary companion, including clues, near-synonym distinctions, and takeaways.

Digital PDF · Complete Answer Explanations
Read Between the Lines: Answer Companion
Study the complete verbal answer companion, with explanations of the correct choice and the reasoning behind distractors.
Digital book bundles
Vocabulary Mastery System
2 digital books
$17.99
Choose bundleVerbal Reasoning System
2 digital books
$19.99
Choose bundleSAT Mathematics System
3 digital books
$39.99
Choose bundleGRE Mathematics System
2 digital books
$24.99
Choose bundlePSAT-to-SAT Pathway
2 digital books
$24.99
Choose bundleComplete SAT Digital Collection
4 digital books
$49.99
Choose bundleQuantum Tutoring Complete Digital Library
10 digital books
$99.99
Choose bundleChoose your format.
Quantum Tutoring provides digital PDF downloads. Amazon and IngramSpark handle paperback and hardcover distribution; print availability depends on each book’s release and format. Digital and print editions are purchased separately.
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