Written by Dr. Wade Pfau, professor of retirement income at theAmerican College, the book focuses on sustainable spending frominvestments from the perspective of a US retiree and adviser. People want to know if they have saved enough to be able to fund their lifestylein retirement. 

In this book, Wade explains the findings of a largebody of financial planning research regarding sustainable spendingfrom investment portfolios in the face of a variety of retirement risks.