Seven

In Seven, Jacqueline Leo explains the many valuable ways the number 7 can be a tool to define time, synthesize ideas, and keep one's mind and memory performing at top speed. Leo explores the powerful utility of 7 throughout cultures and the ages. Why are there 7 wonders of the world, 7 seas, 7 ages of man, 7 levels of hell, 7 primary colors, 7 whole notes of the musical scale, and 7 days of the week? And why, when asked to choose a number between 1 and 10, do most people choose 7?

Leo celebrates the special qualities of the number 7 by delving into its mathematical, scientific, psychological, and religious significance. Most importantly, she shows readers how they can use 7 to simplify their lives, to enhance their happiness, sustain their love, and win at life. Full of "Top 7" lists of advice and personal stories from experts and notables, Seven is guaranteed to provoke, enlighten, and amuse.