Do you know what your "number" is? It's the amount you need for your nest egg. Have you saved enough? Can you save enough?The Numberoffers an intriguing and entertaining tour -- of wealth gurus, life coaches, and financial advisers, and our hopes and fears for the future -- to explore the secrets of the Number. The result is a provocative field guide to your psyche and finances, and an urgently useful book for anyone over thirty. The Numberwill help you think about the kind of life you want, and the kind of help you need to achieve it.Eisenberg, Lee is the author of 'Number What Do you Need for the Rest of Your Life, and What Will It Cost?', published 2006 under ISBN 9780743270328 and ISBN 0743270320.