Download or read book Mary Poppins Opens the Door written by Pamela Lyndon Travers and published by Houghton Mifflin Harcourt. This book was released on 1997 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mary Poppins returns to the Banks family in a rocket and involves the Banks children in more magical adventures including those with Peppermint Horses, the Marble Boy, and the Cat that Looked at the King.