Ray Wilder Browse books

Books for curious minds.

Ray Wilder writes practice books for young learners. His CogAT collection offers focused exercises in verbal, quantitative, and nonverbal reasoning, from Kindergarten through Grade 5.

CogAT practice books

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Kindergarten through Grade 5. Select a cover to find the book on Amazon.

Try a few pages.

Each 12-page sample includes an introduction and questions from all nine sections.

Subscriber samples are coming soon.