Resources

Recommended books & tools

These resources support practice and pattern fluency. IQNIVA is free forever — resources are optional.

Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases.

Best IQ puzzle booksMatrix-style and pattern practice.

Best logic puzzle booksDeduction and constraint puzzles.

Tip: For fastest improvement, use resources as a supplement — the core loop is: practice sets → explanations → weekly retest.

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