Brain Power Enrichment: Level One, Book Two-Teacher Version Grades 4-6: A Workbook for the Development of Logical Reasoning, Critical Thinking, and Problem Solving Skills

An Improbable Life: My Father's Escape from Soviet Russia

Brain Power Enrichment: Level Two, Book One-Teacher Version Grades 6-8: A Workbook for the Development of Logical Reasoning, Critical Thinking, and Problem Solving Skills

Brain Power Enrichment: Level Two, Book Two - Student Version Grades 6 - 8: A Workbook for the Development of Logical Reasoning, Critical Thinking, and Problem Solving Skills

Brain Power Enrichment: Level Two, Book One-Teacher Version Grades 6-8: A Workbook for the Development of Logical Reasoning, Critical Thinking, and Problem Solving Skills

Brain Power Enrichment: Level Two, Book Two - Student Version Grades 6 - 8: A Workbook for the Development of Logical Reasoning, Critical Thinking, and Problem Solving Skills