Martin Tobias Lithner's IQ Challenge - Volume I

This ebook collects 40 easy to medium level progressive matrices split into two sets: Adult Set I (20 matrices) and Set II (20 matrices). Each 3×3 matrix hides it own rules, its logic, some easy rotations, some positional walks, parity flips, mirrored seeds, etc.

This is the first of a series of IQ Challenge eBooks by Martin Tobias Lithner.