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Concentration by Ernest  Wood

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Book Description

This perennial best-seller by a distinguished educator assembles 36 mental and physical exercises for taming the natural drifting of the mind. Newly designed edition of a practical manual for success.

  • ISBN: 9780835630948 |
  • Hardcover: 154 pages |
  • Publisher: Quest Books |
  • Publication date: |
  • Language: English |
  • Format: Ebook