Crib Sheet Author - Web her new book, cribsheet: From the author of expecting better, an economist's guide to the early years of parenting. Oster’s aim is not to. By emily oster (author) 4.6 5,591 ratings. Web her new book, cribsheet: Kindle edition 4.7 5,440 ratings. Oster’s aim is not to provide answer.
Web her new book, cribsheet: Oster’s aim is not to. Web her new book, cribsheet: By emily oster (author) 4.6 5,591 ratings. Kindle edition 4.7 5,440 ratings. Oster’s aim is not to provide answer. From the author of expecting better, an economist's guide to the early years of parenting.