Disneystrology is a Disney book written by Lisa Finander.
Disneystrology is an astrologico-numerological book for children, matching a Disney character and their birthday to each day of the year, and claiming that a child sharing a birthday with the character may be a clue to their personality by comparing it to the character's personality. Each day is illustrated with a still of the character.
Behind the scenes
Disneystrology was published by Quirk Books in 2010. It is considered a semi-canonical source for characters' birthdays.