Mary Poppins In The Park Author:P.L. Travers The adventures in this book should be understood to have happened during any of the three visits of Mary Poppins to the Banks family.This is a word of warning to anybody who may be expecting they are in the fourth visit. She cannot forever arrive and depart. And apart from that it should be remembered that 3 is a lucky number. Those who already ... more »know Mary Poppins wil also be familiar with the other characters in here. And those who don't if they want to know them more intimately can find them in earlier volumes.« less