Invincible Summer

Learn to supercharge your inner strengths, improve mental function and agility, and make use of time more efficiently with simple techniques to keep your brain fit. Plus, learn to master your thoughts and feelings for improved communication and relationships.

• | Author: Ann J. Polya
• | Publisher: BalboaPress
• | Publication Date: May 12, 2016
• | Number of Pages: 154 pages
• | Language: English
• | Binding: Paperback/SELF-HELP
• | ISBN-10: 150435429X
• | ISBN-13: 9781504354295