Sheila Bair,Barry Gott
Rock and Brock are twins, but are very different. One day, their grandpa offers them a plan--for ten straight weeks he will give them each one dollar. But there is a catch! For each dollar they save, he will match it. If they spend it, they get nothing.
Currency,Money,Childrens,Picture Books,Economics
Rock, Brock, and the Savings Shock