Cinderella's Busy Birthday is a 1985 Disney's Wonderful World of Reading storybook, featuring the characters from Cinderella. In this book, when her stepsisters Anastasia and Drizella, and stepmother Lady Tremaine provide more chores for Cinderella to do on her birthday, some friendly mice come to her aid.
- Publisher: Random House; Book Club ed edition (December 31, 1985)
- Language: English
- ISBN-10: 0394875850
- ISBN-13: 978-0394875859
- On the cover, Cinderella's hair is very dark, instead of her normal blonde hair.
- Her sleeves and bow are pinkish instead of bluish aqua.