Rich Dad, Poor Dad: What the Rich Teach Their Kids About Money - That the Poor and Middle Class Do Not! (Paperback)
by Robert T. Kiyosaki, Sharon L. Lechter

A life-changing education on personal finance.

Cashflow Quadrant: Rich Dad's Guide to Financial Freedom (Paperback)
by Robert T. Kiyosaki and Sharon L. Lechter

A sequel to Rich Dad, Poor Dad, but more focusing on cashflow dynamics, this book is an eye opener to those who are still caught in the rat race yet struggling to get out.