Abstract reasoning

Peter Rhodes: Practice Tests for Diagrammatic and Abstract Reasoning 2nd Edition

Richard McMunn: Abstract Reasoning Tests: Sample Test Questions and Answers for the Tests

Abstract Reasoning : Hudson-Selor-Epso

400 Sudoku Puzzle Book with Solutions for all Levels: 200 Easy, 140 Normal, and 60 Hard Puzzles to Sharpen Your Mind: Sudoku Book Puzzle that you need ... mathematical skills and abstract reasoning.

Progressive Matrices Practice Book: 170+ Logic and Abstract Reasoning Questions with Step-by-Step Solutions